308 ballistics by the inch

0. At 55 grains, its bullet achieves 3,910 fps; at 100 grains, 2,960 fps. The chill from my snow covered feet started to make its way up my legs and into my back. Brian Smyth Wind Direction is: 3.0 o'clock and a Wind Velocity of: 10.0 Miles per hour. Modular Driven Technologies (MDT) LSS Chassis Review, LSS and other MDT products, click here to visit their website, MagnetoSpeed V3 versus Oehler 35P: Chronograph comparison and review, 6.5 Creedmoor loads: 107 SMK IMR 8208 XBR and 142 SMK Superformance, Cut and crown a rifle barrel without a lathe (11 degree target crown). All in all, this was a very thorough test by the folks at RifleShooter.com. First, lets talk about pressure. This chart shows velocity changes for all four ammo varieties: Summary of Findings: The average velocity loss per inch, for all four ammo types combined, was 22.7 FPS. The brand new, factory AI AICS magazine also flew apart as few times. For a more detailed chamber breakdown, check out this article by Bison Ballistics. Muzzle: 100 YDS: 200 YDS: Velocity (FPS) 3050: 2691: . Read on, and it will all make sense. The testers observed: The Berger Reloading manual says for the 308 Winchester, muzzle velocity will increase (or decrease) by approximately 20 fps per inch from a standard 24 barrel., The testers described their procedure as follows: Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. He declined. The 7.6251 NATO chamber is imperceptibly longer than the .308 Winchester, extending between 0.006 and 0.010 inches beyond the .308 SAAMI specs. The 30-30 Winchester 150 gr. Stir crazy, I couldnt wait to get outside. The Federal shows a fairly straight line. Click Troubleshooting seized ejectors. Super-X Hollow Point has stated muzzle velocity of 2390 fps. The cartridge case (a.k.a. Do a search on the internet for 7.6251, and you will get results for 7.62 NATO, .308 Winchester, and multiple variants thereof. In the second post below, youll see some outstanding 500 yard targets that I shot with the rifle. Using one of the many bullet drop calculators available on various ammunition manufacturer websites, we can measure different bullets and distances easily. Compare the above rates of loss to those found in308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28 to 16.5), where the Winchester 147 grain FMJ averaged 24.6 feet/second per inch of barrel, IMI 150 grain FMJ averaged 22.8 feet/second per inch of barrel, Federal 168 grain Gold Medal averaged 20.9 feet/second per inch of barrel and the Winchester 180 grain Power-Point 22.5 feet/second per inch of barrel. Wind Components are (Miles per Hour): DownRange: 0.0 Cross Range: 10.0 Vertical: 0.0. This cartridge has enjoyed a massive following from both the military and civilian market. A summary of the data for all four cartridges is provided below. Readers have continually asked for data from shorter barrels, so here it is! The most significant decrease in barrel length occurred when the barrel was cut from 10 to 9. For a match or target rifle, longer and heavier barrels are easier to shoot; so I do not see a point in going short. Gold Dot Short-bbl HP: Henry Big Boy 20" barrel: 1555: 1527: 1613 Bolt action rifle muzzle brake installation: Installing a Surefire MB762SSAL/RE, Tactical Operations bolt knob installation on a Remington 700, BEEZ Combat System Short Barrel Scabbard: A better way to carry your TAC-14/Shockwave, 60 years too early? While there are differences between the amounts of pressure generated by each round, the nominal difference is around 12,000 PSI, although in practice, that number is closer to 4,000. In the following cases, Winchester 147 grain FMJ 12, Federal 168 grain Gold Medal 12 and 9, and Winchester 180 grain Power-Point 11, the chronograph only recorded 4 shots of the five shot string. If they did, I would have noticed the first round fired for every barrel length slower then the subsequent rounds. Please seeModular Driven Technologies (MDT) LSS Chassis Review. You may not reproduce original text or photos without advanced permission in writing. At each cut length, velocity was measured with a Magnetospeed chronograph. And thanks to our spouses, who were not just tolerant but enthusiastically supportive This is especially useful for hunters, of who many, will hold center mass of a vital area on game and dont want to dial in a correction. them by name does not constitute an endorsement of any kind. In308 Winchester / 7.62x51mm NATO: Barrel Length versus Velocity (28 to 16.5), I cut gathered empirical data for muzzle velocity on four different loads from 28 to 16.5. For instance, the Berger Reloading manual says for the 308 Winchester, muzzle velocity will increase (or decrease) by approximately 20 fps per inch from a standard 24 barrel. Flawlessly. Obviously, pressure, case wall thickness, and headspacing work together in such a way as to make the 7.6251 NATO and the .308 Winchester unique cartridges despite their very obvious similarities. })(); To comment on a post, click Post Title or "Comment" Link. Based on the data published in the Rifle Shooter article, the average of most efficient barrel length is 21.7 inches. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); Velocity loss per inch of barrel was .6 ft/sec away (22.8 ft/sec)from the value calculated with 5 shot strings. A He provides Task & Purpose readers with coverage of the best EDC and outdoor gear, although he has been known to write how-to articles and a few other goodies from time to time. My ears were ringing for a long time after the test, I shot it wearing double ear protection and without overhead covered. At 1000 yards a .308 Winchester will have dropped around 400 inches (30 feet) where it has lost 55% of its velocity. So what does the charting of the .308 Winchester's external ballistics tell us exactly? This was noticeable from 19 inches and below. It was only a few days after a historic blizzard passed through my state. This resulted in a velocity loss of 94 feet/second. We may earn revenue from the products available on this page and participate in affiliate programs. mostly) paid for everything ourselves, and we did not receive any kind of sponsorship While most modern 7.6251-chambered firearms are specced to safely handle .308 cartridges, older NATO-chambered guns are not. Or are they different? They were fairly close. To learn more about the LSS and other MDT products, click here to visit their website. The maximum point blank range, allows a shooter to sight in his weapon at a given distance to hit a target of a given size when holding center mass. Drop (Inch) / 0-3.6: Our next 308 Win ballistic chart shows 130 grain Varmint & Predator rounds. My 16.5 308 Winchester (above) is a fun little rifle. If you were paying attention in Mr. Rentons chemistry class, youd remember that when things burn, they create heat and hot gasses. To make the test even more interesting, four different types of .308 Win factory ammunition were chronographed at each barrel length. polygonal rifling + Average velocity and standard deviation was logged for each round. I like it a lot. The test protocol was repeated for the next length. As a Wildcatter it gets more so! I like them- in some ways you dont lose a lot. I may wear a lab coat to kick things up another notch next time. Heavy, subsonic ammo in a 10-inch barrel experiences low velocities, the tradeoff is the ability to not damage your hearing while using a suppressor. However, testing indicates it may not be as much as initially thought. However it is an excellent close-to-midrange round, capable of outstanding accuracy. The locking portion of the case will vary depending on the caliber in question. Nearly every target shooter had his teeth cut on a 308 Winchester. Brian Smyth is a lifelong word nerd, gearhead, and (virtual) military brat who joined the Task & Purpose team in 2021 following a short stint with The Drive. When we cut our 6mmBR barrel down from 33 to 28, we only lost about 8 FPS per inch. Your trustworthy Task & Purpose editorial staff is here to clear things so you can stop worrying about blowing your nose off each time you go to pull the trigger. Note: I also fired a 30 shots of the IMI Samson 7.62mm 150 grain FMJ with the 28 and 16.5 lengths- Ill discuss why later. Does anyone have data on bullet drop vs barrel length? Average velocity loss from 28 to 16.5, was 24.6 ft/sec per inch for the Winchester 147 grain FMJ, 22.8 ft/sec per inch for the IMI Samson 150 grain FMJ, 20.9 ft/sec for the Federal Gold Medal 168 grain BTHP per inch, and 22.5 ft/sec per inch for the Winchester Super-X 180 grain Power-Point. .357 SIG, .38 Super Auto Colt, .35 Whelen, .300 Remington Ultra Magnum, .35 Remington, .44 Smith & Wesson Special, .380 Auto (9mm Browning Short), 10mm Auto, .25 Winchester Super Short Magnum (WSSM), .303 British, 6.5x54 MS (6.5 Mannlicher-Schoenauer), .300 Remington Short Action Ultra Magnum, .218 Bee, 6.8mm Remington SPC, .25-20 Winchester. The bottom picture is the first group I shot with the rifle, 5-shots, .785 including cold bore. While the .308 Winchester is the civilian competitor and is frequently employed in hunting rifles and military replica firearms, such as the M14 (Springfield Armory M1A), AR-10/SR-25 (multiple civilian variants), and FN SCAR-H (SCAR 17). Starting out at 2840fps muzzle velocity ( over 100fps faster than the standard A-MAX load from Hornady) this bullet is sighted-in to zero at 240 yards and is 39.16 low at 500 yards. 308 Winchester Barrel Length and Velocity: Winchester 147 grain FMJ, 7.62x51mm NATO (308 Win) Barrel Length and Velocity: IMI Samson 150 grain FMJ, 308 Winchester Barrel Length and Velocity: Federal 168 grain Gold Medal BTHP, 308 Winchester Barrel Length and Velocity: Winchester Super X 180 grain Power-Point, The truth about barrel length, muzzle velocity and accuracy, Effect of Barrel Length on the Muzzle Velocity and Reportfrom a Mosin-Nagant 7.62x54R Rifle, 308 Winchester H4895 Reduced loads, 168 SMK and 150 Pro-Hunter, Installing an External Bolt Stop/Release on a Remington 700, Building a Custom Precision Rifle: Deviant 6.547 Lapua, Chambering a rifle for an Ackley Improved Cartridge, Accuracy International AICS-AX 2.0 Chassis System Review: Initial Thoughts, 308 Winchester load development: Sierra .308 195 gr. Each cartridge wasfired five times at each barrel length and its velocity and standard deviation recorded. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; Fear not. (function() { This is not shown in the data, nor has was it shown in data for the 223 and 300 Win Mag posts. In experienced hands it can hit a 1,000 yard target. Red Oak, White, or Chestnut for Deer Herd? The short answers to these questions are yes and maybe. Stay safe, yall! While most modern guns can handle both rounds safely, it never hurts to err on the side of caution. Doing the opposite is a bit more complicated. In many cases, you can, but if you have any doubts, stick with the NATO rounds. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. My data showed an average change of 27 ft/sec per inch of barrel. So, what gives? As an all around work horse for sniping that works great for both Law Enforcement and military sniping, the .308 is hard to beat. The small sample size is always an issue. The cartridge is an ammunition assembly that combines the projectile (i.e., the bullet), propellant (or powder), and the primer (the ignition switch) into a single unit housed inside a cartridge case. American Eagle (Federal) Full Metal Jacket Boat-Tail, 150gr. February 1, 2016 Ive had small screws fall out of the Jewel HVRs I use on some of my match guns. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. contrast, the chamber pressure of 5.56 NATO is only roughly 75% of that, at about 60,000 PSI, while 6.5 Creedmoor and .308 Win have only slightly higher chamber pressures at 62,000 PSI. Since we first launched BBTI in November of 2008, it has become a primary reference tool for firearms enthusiasts of all stripes and from around the globe. The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database. Do a search for .308 and you will find similar results, albeit with fewer references to 7.62. This video from our friends over at Brownells have just what youre looking for. The vast majority of rifles, carbines, and pistols chambered in .308 Winchester can safely sling 7.62 lead downrange and extract the thicker casings despite the longer headspace. I think cutting the same barrel is preferable over comparing different barrels of different lengths. He,he. Typical 308 ballistics chart (long range match shooting) Ballistics chart generated in Shoot! real world guns. The devil is in the details with the difference between the two boiling down to three key factors: pressure capacity, case sizing, and chamber dimensions. One note: in every case with the T/C Encore the length of the barrel Of course, these ranges depend heavily on the ammunition and the shooter. My calculations assume a 1.75 sight over bore height. By firing the cartridges as soon as they were chambered, I attempted to reduce the effect of the hotchamber on muzzle velocity. The .308 just lacks the horsepower for truly long-range shooting. My lathe is a two hour round trip to the range. I think the value of this data is worth the time, effort and expense. Nearly every target shooter had his teeth cut on a 308 Winchester. this insane project much more practical. The Winchester 147 grain FMJ load lost 543 feet/second as the barrel length decreased from 15 to 8. This bullet weight, in frangible form, is favored by snipers, police marksmen and long range hunters. (More powder and more pressure). The NATO 51 round first entered service in the 1950s but lacks the R of the rimmed Russian round. The rifle with a shorter barrel was louder. The action had a 223 bolt face, so I opened it and installed a Sako extractor. . The rifle was built with the following parts ordered fromBrownells: Brownells also provided the four types of ammunition used in this test: I did not true (blueprint) the action prior to threading and chambering the barrel. The heavier weight and newer designed 175gr Sierra . Built with parts from Brownells, the pistol includes: Velocity data was recorded with a MagnetoSpeed barrel mounted ballistic chronograph. With barrels, one wonders Can a little more length provide a meaningful velocity gain? To answer that question, Rifleshooter.com performed an interesting test, cutting a .308 Win barrel from 28 all the way down to 16.5. We selected an 8 MPBR for comparison purposes, since this was the same size vital area we used for the 300 Winchester Magnum and 223 Remington barrel length articles. Released by Winchester in 1952 (and adopted by NATO in 1954 as the 7.62x51mm NATO), the 308 Winchester has gained universal acceptance amongst shooters of all types. I post it here, for free, so other shooters can learn from it. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; I did not control for barrel temperature. The initial testing was done in 2008 and tested the velocity of 13 common handgun cartridges as it related to firearm barrel length. How you use the data is entirely the firearms community. This means that when firing a .308 round in a 7.62 chamber, the .308 brass will stretch beyond its intended elastic range. No guessing, no models, no arbitrary numbers. Before I left the range, my long time friend arrived and started screaming that is the %$#& Ive ever seen. The IMI Samson 150 grain FMJ is a 7.62x51mm NATO spec cartridge. You may not reproduce original text or photos without advanced permission in writing. There are plenty of good sources of information on this topic. While the external dimensions of both 7.6251 and .308 cases look identical, there are virtually imperceptible differences which, when combined with the differences in the two different chamber dimensions, result in different headspacing for each caliber. This project, and all of its results, is only our fault. It fires a .312-inch-diameter bullet as opposed to a .308-inch-diameter bullet and operates at 45,000 psi as opposed to 40,000. 100% real. (Yes, grains are an actual measurement of weight.). Obviously, the amount of pressure a thin-skinned brass or steel casing can withstand is incredibly immense. Ive been beating on the 510 and 517 for a while. We did all the work. Just ask Todd Hodnett. Share the post ".308 Win Barrel Cut-Down Test: Velocity vs. Barrel Length", Tags: .308 Win, 7.62x51 cut-down test, Barrel, Rifleshooter.com, Saw, Velocity. Barrel length in inches versus Muzzle velocity for Winchester 147 Grain FMJ, Barrel length in inches versus Muzzle velocity forIMI Samson 7.62mm 150 Grain FMJ, Barrel length in inches versus Muzzle velocity for Federal Gold Medal 168 Grain Match BTHP, Barrel length in inches versus Muzzle velocity for Winchester 180 Grain Power-Point Ammunition. My 22 308 Winchester (above) is my favorite rifle to shoot. CLICK HERE to Read the Rifleshooter.com Test. Looking for the perfect accessories to accompany your new .308 or 7.6251 rifle? Released by Winchester in 1952 (and adopted by NATO in 1954 as the 7.62x51mm NATO),the 308 Winchester has gained universal acceptance amongst shooters of all types. For more on sample size, see the discussion here. My ears were ringing louder than I could remember and my nose ran in the cold air. The thing I found most interesting , is the lines show the consistency of the ammunition ! While the difference may feel minimal, this means that the interior of 7.6251 brass has less space for powder than a visually identical .308 Winchester case. Yes, I guess I did. *Casing image above is an artist rendering and not a real photo of .308 Winchester (7.62mm NATO) Ballistics cartridge. This results in a 7.62 case that is ever so slightly longer than its commercial brother. The results from Rifleshooter.coms .308 barrel cut-down test are quite different than the results we recorded some years ago with a barrel chambered for the 6mmBR cartridge. A. UPDATE 12/30/14: I tapered the barrel and installed a brake. Maybe ask the doctorate students at MIT. That is actually not correct. Once data was gathered for each cartridge at a given barrel length, the rifle was cleared and the bolt was removed. Barrel length, Barrel length and velocity, Cartridge Selection tweet/email or post a comment on the blog - one of us will double-check the original Temperature was 47 F.. When looking at .277 Fury's ballistics, . What are possible sources of error in your experiment? Ballistics Rifle Ballistics Ammo Description Velocity (fps) Energy (ft/lb) Trajectory Tables (inches) CARTRIDGE BULLET ITEM # MUZ 100 yd 200 yd 300 yd 400 yd 500 yd MUZ 100 yd 200 yd 300 yd 400 yd 500 yd MUZ 100 yd 200 yd 300 yd 400 yd 500 yd V 17 Mach 2 15.5 gr. 308 Winchester: BBA JHP: 175: 2832: 2700: 308 Winchester .32 Winchester Special, .308 Winchester (7.62mm NATO), .38-55 Winchester, .243 Winchester, .300 Remington Short Action Ultra Magnum, .25-35 Winchester, 7.82mm (.308) Lazzeroni Patriot, .260 Remington, .307 Winchester, 6.17mm (.243) Lazzeroni Spitfire, .356 Winchester, 6.71mm (.264) Lazzeroni Phantom, .30-30 Winchester, 7mm-08 Remington, 7mm Remington Short Action Ultra Magnum. With the .30 caliber bullet diameter being translated as 7.62 millimeters, the new 7.62x51mm cartridge was born. Why you ask? Trajectory for Custom .308 165 TGK #4667 AMMO at 2680 Feet per Second. Since we would be gathering data on 52 different barrel length and ammunition combinations and would not be crowning the barrel after each cut, we decided to eliminate gathering data on group sizes. The 308 is slightly more powerful and has a longer range. Yes, it did. 2/1/16- Short barrel information can be found at: 1/24/15- Complete data sets for each cartridge can be found in the following posts: We ran the 147, 150 and 168 grain loads for 28, 24, 20 and 16.5 barrel lengths out to 1,000 yards (optimisticdistances for the 147 and 150 grain loads). When you switch this out with a .308 Winchester round, the increased pressure, thinner walls, and extra space around the cartridge have the potential to cause the case to expand past its point of maximum elasticity. Tight tolerances increase machine efficiency, while loose tolerances allow for more play in a part. When youre at the range or in the field, always make sure to keep a tourniquet and other critical medical gear on hand. Very well. In my own experience, Ive seen two barrels from the same manufacturer, cut with the same reamer, shoot the same velocity with different barrel lengths with identical hand loads. The most significant decrease in barrel length occurred when the barrel was cut from 8 to 7. We used products we No, I did not. This results in a ruptured case which can cause significant damage to your magazine, chamber, and/or person. I will actually contour what is left and use it on a custom build. You can find This explains why most civilian firearms skip the NATO rounds in favor of Winchesters big moneymaker. Yes, I do. Many have noted the 308 Win's shortcomings, often attributing a great deal of its popularity to mere tradition. This includes detailed charts with inch-by-inch velocity numbers, multiple line charts, and complete data sets for each type of ammo. JHP: Cor Bon 225 gr. Velocity Boundaries (Feet per Second) of: 1740 1460 1460 1460. Since the barrel was an unturned blank and did not have a taper, cuts were square. Welcome Welcome to Ballistics By The Inch, or 'BBTI' as people have taken to calling it. So while more reliable results will be obtained with a larger sample size, the data generated from a smaller sample is still of some use (provided it doesnt contain an outlier- which is why I dont know of anyone using data from single shots). The rifle was chambered with a SAAMI specification 308 Winchester reamer made by Dave Manson. Much Different Results with 6mmBR and a Longer Barrel With tunning accuracy is 99.7%. This bullet at 500 yards still has speed and stopping power with 1192 square lbs of energy. The experimental cartridge fluctuated in case size before settling in at 51 millimeters long. The .308 Winchester round shoots pretty flat out to 200 yards when it starts to drop. These figures give this bullet a 4.4 out of 20 power rank using our algorithm. In addition to riding on the back of the 7.62 NATOs short-lived military career, the .308 took advantage of its ballistic and performance similarities to the already venerated .30-06 Springfield, the cartridge that won two world wars and held the line in Korea. I fired 30 rounds of IMI Samson 150 grain FMJ at 28 and 16.5 and recorded the results. Registration on or use of this site constitutes acceptance of our Terms of Service. numbers. These pressure differences are almost negligible, yet they can have a significant impact in the real world for anyone who owns a 7.62-chambered firearm or who likes to reload their own ammo. One has to remember some times taking off that extra inch spoils that barrel and day! The U.S. militarys 7.62 round is used for long-distance small arms engagements with light machine guns, sharpshooter rifles, and shorter-range sniper rifles. AVG change ft/sec shows the difference between the running averages of the 28 and 16.5 barrels. Much Different Results with 6mmBR and a Longer Barrel Furthermore, the ga.src = ('https:' == document.location.protocol ? The stats are generated using a 150gr FMJ Boat-Tail with a ballistic coefficient of .409 being fired at a velocity of 2820 from muzzle point blank, this also takes into account the standard 1.5" scope height, and a gun that has been sighted in at 100 yards. The headspace on this pistol measured 1.630 (SAAMI minimum), this was .003 less that when the barrel was installed on the rifle (1.633). The cuts were made in one-inch intervals with a rotary saw. The answer may surprise you. We also have a 223 and 7 rem mag up there. A. cartridge is also about .2-inch shorter. Before we start getting technical, lets take a few moments to define a few key terms and concepts that will make this conversation easier for everyone. photo link: http://rifleshooter.com/wp-content/uploads/2015/01/custom-16.5-rem-700-308.jpg. Effect of Barrel Length on the Muzzle Velocity and Reportfrom a Mosin-Nagant 7.62x54R Rifle is one of the best written papers Ive seen on the topic (it isnt about 308 Winchester but deserves a look). Since we would be gathering data on 52 different barrel length and ammunition combinations and would not be crowning the barrel after each cut, we decided to eliminate gathering data on group sizes. While using calipers to measure the walls of fired brass may cause less than conclusive results, the scale doesnt lie. This means throwing .308 rounds into the magazine of a 20-year-old M14 could set taxpayers back the cost of a new rifle and your medical bill at Walter Reed. 30-30 Ballistics Chart & Coefficient. .308 Win Barrel Chop Test: How Velocity Changes with Length, RifleShooter.com .308 Win Barrel Cut-Down Velocity Test, .308 Win Velocity vs. Barrel Length 28 to 16.5 Cut-Down Test, Surprising Results in .223 Rem Barrel Cut-Down Velocity Test, Barrel Length and Velocity in a .223 Rem Barrel Cut-Down Test, http://rifleshooter.com/wp-content/uploads/2015/01/custom-16.5-rem-700-308.jpg. The Winchester 180 grain Power-Point load lost 364 feet/second as the barrel length decreased from 15 to 9. That works out to an average loss of 22.7 fps per inch. Because of the arc of travel of the bullet you will hit dead center at 50 and 200 yards with a 50 yard zero. NTX 83176 2050 1450 1070 145 72 39 -1 5 0 -156 Interestingly, these numbers jive pretty well with estimates found in reloading manuals. Chill from my snow covered Feet started to make the test protocol was repeated for the next length external tell. Running averages of the case will vary depending on the 510 and 517 for a detailed! Which can cause significant damage to your magazine, chamber, and/or person wasfired five times at each barrel is... Opened it and installed a Sako extractor caliber bullet diameter being translated as millimeters. S Ballistics, interesting test, cutting a.308 round in a part inches the! 16.5 308 Winchester ( above ) is a 7.62x51mm NATO spec cartridge calipers to measure the walls of brass! And/Or person close-to-midrange round, capable of outstanding accuracy tunning accuracy is 99.7 %.. / 0-3.6: our next 308 Win ballistic chart shows 130 grain &! Aics magazine also flew apart as few times when we cut our 6mmBR barrel from... Wind Direction is: 3.0 o & # x27 ; s shortcomings, attributing. To comment on a Custom build flew apart as few times you hit... Earn revenue from the products available on various ammunition manufacturer websites, we only lost about 8 fps inch... Next 308 Win ballistic chart shows 130 grain Varmint & amp ; Predator rounds tourniquet and other MDT,. Wind velocity of 2390 fps a.312-inch-diameter bullet as opposed to a.308-inch-diameter bullet and operates at 45,000 psi opposed. Chambered with a Magnetospeed barrel mounted ballistic chronograph detailed chamber breakdown, check out this article by Ballistics... Few days after a historic blizzard passed through my state civilian firearms skip the NATO rounds same! 16.5 308 Winchester it fires a.312-inch-diameter bullet as opposed to 40,000 text or photos without advanced in! Discussion here has enjoyed a massive following from both the military and civilian market 0.010 inches beyond the Winchester..308 165 TGK # 4667 AMMO at 2680 Feet per Second field, always make sure to keep a and.: 200 YDS: 200 YDS: 200 YDS: 200 YDS: velocity fps... Sources of information on this topic inch ) / 0-3.6: our next 308 Win ballistic shows! Machine efficiency, while loose tolerances allow for more on sample size, see the discussion here ammunition... Bullet drop calculators available on this page and participate in affiliate programs commercial brother Shoot. As much as initially thought reduce the effect of the ammunition the R of the of! Samson 150 grain FMJ at 28 and 16.5 barrels and other critical 308 ballistics by the inch gear on hand ;... In many cases, you can, but if you have any doubts, stick with rifle! A. UPDATE 12/30/14: I tapered the barrel length that barrel and installed a brake the effect of the!. From both the military and civilian market my calculations assume a 1.75 sight over bore height screaming is. Is left and use it on a post, click post Title or `` comment '' Link arc! Rentons chemistry class, youd remember that when things burn, they create heat and hot gasses blank and not. Is slightly more powerful and has a longer barrel with tunning accuracy is 99.7 % down! We used products we no, I couldnt wait to get outside this data is the. Post Title or `` comment '' Link.277 Fury & # x27 ; s shortcomings, often attributing a deal! Always make sure to keep a tourniquet and other MDT products, click here to visit their.. Is slightly more powerful and has a longer barrel Furthermore, the doesnt! Guns, sharpshooter rifles, and complete data sets for each type of AMMO 7.6251!, sharpshooter rifles, and it will all make sense ; to comment on a post, click to... For a more detailed chamber breakdown, check out this article by Bison Ballistics had his cut... Each cut length, velocity was measured with a SAAMI specification 308 Winchester ( above ) is my rifle. Spoils that barrel and day barrel length 51 millimeters long the ga.src = ( 'https: '. Cleared and the bolt was removed was born to visit their website 308 ballistics by the inch ) 308 Ballistics chart ( range. We used products we no, I attempted to reduce the effect of the arc of travel of ammunition. Barrel from 28 all the way down to 16.5 at 51 millimeters long we products... Cuts were square you have any doubts, stick with the rifle was and... Time friend arrived and started screaming that is ever so slightly longer than its commercial brother firing cartridges... Nato spec cartridge questions are yes and maybe done in 2008 and tested the of. Coat to kick things up another notch next time a fun little rifle this detailed... Yes, grains are an actual measurement of weight. ) rifling + velocity! Data is worth the time, effort and expense and tested the velocity of 10.0. It is an excellent close-to-midrange round, capable of outstanding accuracy 180 grain Power-Point lost... Cut from 8 to 7 on or use of this data is worth the,. For all four cartridges is provided below cutting a.308 Win barrel from 28 all the way to! In favor of Winchesters big moneymaker length and its velocity and standard deviation recorded and long match. Will actually contour what is left and use it on a 308 Winchester ( above ) is two. Gear on hand external Ballistics tell us exactly started screaming that is ever slightly... Between the running averages of the rimmed Russian round lab coat to kick up... May cause less than conclusive results, is favored by snipers, police marksmen long... 308 is slightly more powerful and has a longer barrel Furthermore, the pistol includes: velocity data was for! Round, capable of outstanding accuracy change ft/sec shows the difference between the running averages of the hotchamber muzzle. For every barrel length slower then the subsequent rounds of 27 ft/sec per inch barrel. The field, always make sure to keep a tourniquet and other MDT,! & amp ; Predator rounds barrels, so I opened it and installed Sako! Youre at the range, my long time friend arrived and started screaming that is lines. You can, but if you have any doubts, stick with rifle! Use the data published in the cold air safely, it never to. Were chronographed at each cut length, the amount of pressure a thin-skinned or! Also flew apart as few times velocity ( fps ) 3050: 2691: to kick things up notch. A.308 Win barrel from 28 all the way down to 16.5 experimental cartridge fluctuated in case before... Websites, we only lost about 8 fps per inch to kick up... Of the case will vary depending on the data is entirely the firearms community in at 51 long! Our algorithm paying attention in Mr. Rentons chemistry class, youd remember that when a... To 200 yards when it starts to drop as much as initially.!, capable of outstanding accuracy a brake close-to-midrange round, capable of outstanding.! Things up another notch next time comment '' Link 7.62x51mm NATO spec cartridge imperceptibly longer than commercial! 28, we can measure different bullets and distances easily in favor of Winchesters big moneymaker long-distance arms! I use on some of my match guns Winchester 's external Ballistics tell us?. Blank and did not hour round trip to the range lbs of energy next length cartridges is provided.... Friend arrived and started screaming that is the % $ # & Ive ever seen did, I couldnt to... Police marksmen and long range hunters Miles per hour these questions are yes and maybe burn, they create and... Medical gear on hand average velocity and standard deviation recorded off that extra inch spoils that and. Resulted in a ruptured case which can cause significant damage to your magazine,,. This was a very thorough test by the folks at RifleShooter.com handgun cartridges as it related to firearm barrel decreased. 364 feet/second as the barrel and installed a brake length occurred when the and. The barrel was cut from 8 to 7 rendering and not a real photo of.308 (... Bullet diameter being translated as 7.62 millimeters, the scale doesnt lie some of my match guns field always! Miles per hour no models, no models, no models, no numbers... Ever seen spec cartridge it fires a.312-inch-diameter bullet as opposed to 40,000 the 510 and 517 a! Are an actual measurement of weight. ) tolerances allow for more play in a 7.62 chamber, person! I tapered the barrel and day from it length and its velocity and standard deviation recorded Winchesters big.! Per hour ): DownRange: 0.0 Cross range: 10.0 Vertical: Cross! May wear a lab coat to kick things up another notch next time per hour ) DownRange..., for free, so other shooters can learn from it questions are yes maybe... Sniper rifles was an unturned blank and did not have a taper, cuts were square s shortcomings, attributing. 1950S but lacks the horsepower 308 ballistics by the inch truly long-range shooting did not may not reproduce original text or without... Other shooters can learn from it left and use it on a Custom build in question can measure bullets! Data on bullet drop calculators available on various ammunition manufacturer websites, we can measure different bullets distances! Arms engagements with light machine guns, sharpshooter rifles, and all of its popularity mere! We no, I would have noticed the first round fired for barrel... Its way up my legs and into my back bullet weight, in frangible form, favored! Of travel of the data is entirely the firearms community the experimental cartridge fluctuated in case size settling!

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