.308 Win Barrel Chop Test: How Velocity Changes with Length, RifleShooter.com .308 Win Barrel Cut-Down Velocity Test, Surprising Results in .223 Rem Barrel Cut-Down Velocity Test, Barrel Length and Velocity in a .223 Rem — Barrel Cut-Down Test, .223 Rem Barrel Cut-Down Test — Velocity Loss by the Inch, http://rifleshooter.com/wp-content/uploads/2015/01/custom-16.5-rem-700-308.jpg, Happy Holidays to Our Readers — Thanks for Your Support, Stop Neck Sizing! This is a great test and I would commend people to read the 300 Win Mag test where they did the same thing. Check out the 6.5 Creedmoor Ballistics Chart 1000 yards to see how well the High Ballistic Coefficient performs for long range shooting! You may not reproduce original text or photos without advanced permission in writing. For the .308 Win, we like the Nosler Ballistic Tip 165gr. At 300 yards it has dropped around 13 inches, and at 500 yards it’s just under 60 inches (5 feet). The Federal shows a fairly straight line. The US Army preaches an 800 meter maximum effective range for the .308, the USMC preaches a 1000 yard (915 meter) max effective range. About the short rifles, I’ve written quite a bit about 16″ 308s: http://rifleshooter.com/2015/02/the-16-inch-308-winchester-bolt-action-rifle/. The .308 Winchester remains the standard sniper anti personal cartridge of the military due to the heavy support structure that surrounds it. (function() { 100yd. 308 is very efficient in shorter barrels compared to a caliber like the 6.5/284. June 4th, 2015.308 Win Barrel Cut-Down Test: Velocity vs. Barrel Length. Totally different cartridge and ballistics. As a “Wildcatter” it gets more so! From what I understand, it only needs an 18" barrel for a complete burn with mid-hvy bullets. This is another excellent option for medium to larger game. .308 Winchester (7.62mm NATO), The .308 Winchester as a hunting round is great for deer, mule deer, elk, black bear, and nuisance animals like wild hogs. The Winchester Ballistic Calculator allows you to select your Winchester product and view the real trajectory from that product. You can then also add atmospheric conditions and angles. That works out to an average loss of 22.7 fps per inch. The bullet energy is the highest of the selected .308 rounds with 1,300ft.lbs of … 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. All sniper training including exterior ballistics and optical training is focused on the .308 … Calculates the ballistic trajectory of a bullet fired from a rifle, handgun or other firearm. If barrel length did not matter then a 2.5 inch barrel should shoot as well as a 24 inch barrel using the same 308 load. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); 0.0 indicates yardage at which firearm was sighted in. But depending on what he plans on doing with the rifle it maybe exactly what he needs. Acknowledgements. In the good old days of Precision Shooting magazine (how we miss you! We stopped at 500 yards, but I had some legit 2.5″ 500 yard 5 shot groups. This was with Varget powder. The 308 is a basically a lengthened 300 Savage at higher pressure. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; We'd like to personally and specifically thank Pat Childs at Fin & Feather in Iowa City, as he not only helped get most of our ammunition and other supplies, he was the brilliant gunsmith who worked with us to make this insane project much more practical.Without his help all of this would have been much more difficult and perhaps impossible. Took advantage of what's likely to be the last almost-60 day for a bit, and got out for some recoil therapy at the range this morning. Temperature was 47° F.”. This bullet at 500 yards still has speed and stopping power with 1192 square lbs of energy. The testers described their procedure as follows: “Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. In my opinion a 30-06 just works best between 22"-24". To make the test even more interesting, four different types of .308 Win factory ammunition were chronographed at each barrel length. Why You Should Full-Length Size Your Brass, The Attack on Traditional Ammunition — What You Need to Know, Sportsman’s Warehouse Acquisition by Great American Outdoors. photo link: http://rifleshooter.com/wp-content/uploads/2015/01/custom-16.5-rem-700-308.jpg. The 7.62x51mm NATO had virtually the same ballistics as the original .30-06 Springfield load (150 grain bullet at 2,700 feet per second) and also fired a .308″ bullet. Muzzle 100 200 300 400 500 600 700 800 900 1000 VELOCITY 2600 2420 2240 2070 1910 1760 1610 1480 1360 1260 1170 ENERGY 2520 2180 1870 1600 1355 1150 970 815 690 590 510 Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. FEDERAL .308 168-Gr. Custom Ballistics Chart to show Muzzle Velocity and Bullet Drop at various ranges. Fired from the same length 24-inch barrel, a .308 … 7.62 NATO vs . This chart shows … This cartridge has enjoyed a massive following from both the military and civilian market. The table below compares 120gr Nosler E-Tip (.497 BC) and 143gr Hornady ELD-X (.625 BC) loads in 6.5 Creedmoor to 150gr Nosler E-Tip (.469 BC) and 178gr Hornady ELD-X (.552 BC) loads in .308 Winchester. Sighting-in a hunting rifle to hit a certain number of inches high at 100 yards (or 100 meters) maximizes the point blank range of the rifle and cartridge and is superior to zeroing at a fixed distance like 200 yards. with all the short barreled rifle/pistols being used with the AR 10, I’d like to see a test on the 308 going down to 12″. individual firearm may vary from test barrel results. Does anyone have data on bullet drop vs barrel length? ga.src = ('https:' == document.location.protocol ? The .308 is not punishing to shoot, has excellent terminal ballistics, behaves predictably in the wind, and perhaps most important is that it is consistent. The 168 grain Sierra Match King is an excellent bullet in the 308 Winchester, and is probably my first choice for the shooting situation we’re discussing in this article. However, the 7.62x51mm achieved that … If your .308 isn't close to these specs, or if you are a sniper or into long range shots you may want to take this a step further and use our ballistic calculator to create a custom .308 ballistic chart to take into account variances. I mention deer because I believe 200-pound deer are similar to 200-pound humans when discussing terminal ballistics. The barrel was cut off using a cold saw. Ballistics By The Inch. 308 Winchester Bullet Selection and Ballistics Calculations The results from Rifleshooter.com’s .308 barrel cut-down test are quite different than the results we recorded some years ago with a barrel chambered for the 6mmBR cartridge. Thanks. By Chuck Hawks. BC's: .502 (H), .496 (M), .485 (L) 7.62mm M118 SB 173 gr FMJBT for 24" Barrel. 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. Powder burn rates can also make a difference. Red Oak, White, or Chestnut for Deer Herd? A Rifleshooter.com also offers ballistics graphs showing trajectories with different barrel lengths. For anyone involved in hunting or recreational shooting an individual will have different needs for any given caliber of ammunition. The .308 is a very efficient cartridge. Well being able to "consistently hit a target" has as much if not more to do with the shooter than the gun or barrel length. This chart shows … Would be interesting to find out. Hover over graphs and lines to see more d… Produces a ballistic trajectory chart and table that shows the drop, velocity, kinetic energy, windage, and trajectory … The .308 Winchester round shoots pretty flat out to 200 yards when it starts to drop. Would be more interesting to see maybe 35″ barrel down to 28″ Have always heard that barrels quit increasing in velocity after 34″. Columbia, MO – -(Ammoland.com)- What happens when you get a physicist, a cop, a bookbinder, and a computer geek together with 8,500 rounds of premium handgun ammo? I will be comparing it against the 5.56 NATO and 7.62×39 … Columbia, MO – -(Ammoland.com)- What happens when you get a physicist, a cop, a bookbinder, and a computer geek together with 8,500 rounds of premium handgun … After 15 years I’m still working it out. This includes detailed charts with inch-by-inch velocity numbers, multiple line charts, and complete data sets for each type of ammo. _gaq.push(['_trackPageview']); The .308 Winchester was born from modifying the .300 Savage, which was designed to work in the popular Savage Model 99 lever action rifle, and have similar ballistics to the .30-06 Springfield. var _gaq = _gaq || []; The answer may surprise you. Ballistics By The Inch. BALLISTICS TABLE IN YARDS FOR.308 Win Match 175 gr HPBT for 24" Barrel. So by losing that speed we are losing a main advantage using the 308. If not thats great, less work for me. ), a debate was starting about the practical efficiency (and accuracy) of fast twist, short barrel (16 – 18 inch) 308 Win and 300 Win. I just figured that the slower velocity would make the round drop more or be more affected by a cross-wind. The trajectories in the table below were calculated for a maximum bullet rise of 1.5 inches above the line of sight for all small game and varmint loads, and three inches above the line of sight for all big game loads. CLICK HERE to Read the Rifleshooter.com Test. The .308 is by far the most popular sniping round, and for good reason. In fact the .308 Winchester 165gr bullet is traveling faster at 1000 yards than the .223 or 7.62x39mm at just 500 yds. 308 barrel length So toying with the idea of giving the 308 T3 the chop. _gaq.push(['_setDomainName', '.accurateshooter.com']); Ballistics by the Inch (often called BBTI) is an ongoing project to test the performance characteristics of a variety of common handgun calibers/cartridges.The initial testing was done in 2008 and tested the velocity of 13 common handgun cartridges as it related to firearm barrel length. 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″. The 308 with a 20" barrel will just about equal a 30-06 from a 18-20 barrel. 6.5 Creedmoor vs 308 Ballistics. The 7.62x51 NATO is a superior ro… Test Barrel Lost 22.7 FPS Per Inch (.308 Win Chambering) That works out to an average loss of 22.7 fps per inch. specifications are nominal ballistics figures established in test barrels. The 308 doesn't really gain much beyond 20" In my experience a 308 … A Thanks for the kinds words about the 308 and 300 Win barrel length posts. 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. It is accepted that if you do your job and put the bullet where it counts, you can count on the . While there are many cartridge choices that outperform the .308 in ballistics, there are few that perform as consistently as the .308 … And this has nothing to do with energy or penetration, but rather the ballistics. ALL Bulletin content is copyrighted, © 2020 AccurateShooter.com. The bullet energy is the highest of the selected .308 rounds with 1,300ft.lbs of … With 140 grain hunting bullets the 7mm08 is flatter shooting than the .308 loaded with 150 grain … Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. ... with a 16 inch tikka barrel you could achieve 3000fps with the 130ttsx A good all round bullet from zero to 350-400 yards " up to around ... By Timmay in forum Reloading and Ballistics … With a barrel reduction from 28″ to 16.5″, the average speed loss of the four types of .308 ammo was 261 fps total. SD’s and ES were superior from the longer barrel, as was the sight picture. Velocity was about 10 FPS below that of my 30″ Border. He,he. * test … With F Open shooting it does take a lot of testing over a long time to come up with the “sweet spot” of barrel length for one powder type for barrel, bullet brand/weight/and design alone. How much velocity do you think was lost, on average, for each 1″ reduction in barrel length? The following is a 1000 yard .308 ballistic chart that was created using our free online ballistic calculator and details all aspects of the bullets trajectory from the millisecond it leaves the … 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. Lapua’s .308 Win ammo is an excellent choice when you want a cartridge that is sure to perform across a range […] With a barrel reduction from 28″ to 16.5″, the average speed loss of the four types of .308 ammo was 261 fps total. The .308 is somewhat more flexible where a heavy bullet is needed or wanted for use on large animals. It was designed by Frank C. Barnes in March 1961 by shortening the .308 Winchester to 1.5 in (38 mm) and giving it a shoulder angle of 20° (α=40°) similar to the parent cartridge. Which is optimized in a 26in tube. 6.5 Creedmoor Ballistics Chart data and Ballistic Coefficient Information. Velocity loss can be more extreme with shorter barrel lengths (and bigger cartridges). We also have a 223 and 7 rem mag up there. The ARC firing a 108-grain ELD-Match bullet with a .536 G1 ballistic coefficient at 2,750 fps muzzle velocity stays supersonic to 1,150 yards at sea level. Ballistics Charts & Data. Interestingly, these numbers jive pretty well with estimates found in reloading manuals. It is a good hunting round and its performance is half way between the 308 and 7.62 NATO (7.62×51) and the AK round, the 7.62×39. I've found that a inch low at 50 yards puts the hit about an inch high at 100 yards with my .270,.308 and 30-06,That's as far as I' prolly ever shoot . American Eagle (Federal) Full Metal Jacket Boat-Tail, 150gr. For the .308 Win, we like the Nosler Ballistic Tip 165gr. 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″. This is another excellent option for medium to larger game. So what does the charting of the .308 Winchester's external ballistics tell us exactly? Re: .308 Win w/ 18" 1-10" twist barrel to 1,000 yards i have never had any luck shooting 308 to a 1000 out of a 20 inch AIAW using 175 grain SMK. Select specific calibers and cartridges by using the filters 2. © Copyright GunData.org 2015  |  Koenig Media, LLC   |   Links   |   Sitemap   |   Advertise. I get ~2600 with 165gr AB's Haven't shot anything past 300yd with it yet but my ballistic table suggests my loads should have adequate velocity for expansion to 500yd. All in all, this was a very thorough test by the folks at RifleShooter.com. There is nothing wrong with 300 Savage cartridge. This data is for Hornady and Nosler factory ammo using a 24 inch … NTX® 83176 2050 1450 1070 —145 72 39 -1 5 0 -156 I think if you tinkered enough you could do 1,000, however I don’t think it is practical. The .308 Norma is a powerful cartridge of sound design, ideal for medium game hunting and long range shooting. The thing I found most interesting , is the lines show the consistency of the ammunition ! It says that at around the halfway point of 500 yards the bullet will have slowed by 900fps and while that may sound bad it really isn't in terms of a percentage of initial velocity compared to say the .223 Remington (would be 1481fps from initial 3214fps) or the 7.62x39mm (would be 1066fps from initial 2349fps). Click to see full answer Moreover, what is the effective range of a 308? Obviously this is a different cartridge type, but also our 6mmBR barrel end length was 5″ longer than Rifleshooter.com’s .308 Win start length. BT HP Match, Velocity in Ft-per-sec., Energy in Ft-Lbs. The following is a 1000 yard .308 ballistic chart that was created using our free online ballistic calculator and details all aspects of the bullets trajectory from the millisecond it leaves the barrel until the time it reaches the 1,000 yd mark. And if you are new to the “Rifle Lovers Club,” this comprehensive comparison between these in-demand cartridges may help you decide which is better for your rifle. 308 vs 6.5 Grendel Ballistics: The Truth You Deserve To Know Even for seasoned firearms enthusiasts, 6.5 Grendel vs 308 is an intense debate nobody seems to win over time. So the decrease in velocity isn't enough to effect drop or windage? never tried the 155 grain bullets---sounds like the way to go to try with the 18 inch… Following WWII, Winchester, in conjunction with the US Army were working to develop a .30 caliber cartridge that would have similar power to the .30-06, but would be shorter. Popular and precise – the legendary .308 Winchester One of Lapua’s flagship cartridges and perhaps the most versatile target shooting round, the .308 Winchester is one of the most popular centerfire rifle calibers today. When we cut our 6mmBR barrel down from 33″ to 28″, we only lost about 8 FPS per inch. --> Get your 308 Winchester Ammo from our friends at AmmunitionToGo.com <--: Buffalo … At 1000 yards a .308 … The. One has to remember some times taking off that extra inch spoils that barrel and day! The cuts were made in one-inch intervals with a rotary saw. 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. There is a sweet spot barrel length for loads, you don’t need a 35 inch … How to Sight in a Scope - Step by Step Guide. I bought a 308 … Let’s look at a few categories of comparison, then we’ll sum things up. April 24th, 2016.308 Win Barrel Chop Test: How Velocity Changes with Length. hdbiker hdbiker , Nov 5, 2015 #16 _gaq.push(['_setAccount', 'UA-6323545-2']); Acknowledgements. We'd like to personally and specifically thank Pat Childs at Fin & Feather in Iowa City, as he not only helped get most of our ammunition and other supplies, he was the brilliant gunsmith … zero, 59 deg F., Elevation ASL, Press 29.53 in, Hum 78% The cuts were made in one-inch intervals with a rotary saw. Much Different Results with 6mmBR and a Longer Barrel Once data was gathered for each cartridge at a given barrel length, the rifle was cleared and the bolt was removed. The big reason why the .308 is not favored in long-range shooting is the heaviness of the bullets and the trajectory. High Ballistic Coefficient performs for long range shooting from 600-1200 yards my Palma rifle for a burn... Range of a 308 about 10 fps below that of my 30″ Border the! 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Or Chestnut for deer Herd of the bullets and the trajectory caliber of ammunition the lines show the consistency the! 223 and 7 rem Mag up there an 18 '' barrel in 50 yard that. Winchester remains the standard sniper anti personal cartridge of the bullets and the trajectory rem. Maybe 35″ barrel down to 28″, we only lost about 8 fps per inch had some 2.5″..308 168-Gr measured with a barrel reduction from 28″ to 16.5″, the achieved! A few categories of comparison, then we ’ ll sum things up yards still speed... Let ’ s and ES were superior from the longer barrel, as the! Human adversaries or Chestnut for deer Herd and day that if you tinkered enough you could do 1,000 however! S and ES were superior from the longer barrel, as was Sight! Sound design, ideal for medium game hunting and long range shooting Chart shows … for the Norma! Mag test where they did the same thing discussing terminal ballistics in test barrels by Step Guide up... 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Magazine ( how we miss you: //rifleshooter.com/2015/02/the-16-inch-308-winchester-bolt-action-rifle/ while those wanting an increased range might choose the the.. Products and see how well the High Ballistic Coefficient performs for long range shooting fun and frustration if... | Advertise test barrels I understand, it only needs an 18 '' barrel to understand average velocity bullet! Sd ’ s and ES were superior from the longer barrel, as was the Sight picture are! And see how they compare 2020 AccurateShooter.com data on bullet drop vs barrel length a.. It details drop, drift, bullet trajectory, velocity in Ft-per-sec., energy, velocity Ft-per-sec.... More calibers were added the charting of the.308 Win, we like the.... That works out to an average loss of 22.7 fps per inch, less work for.! The trajectory conditions and angles they did the same thing figured that the velocity... Still has speed and stopping power with 1192 square lbs of energy the big reason why the.308 remains! Of a 308 then we ’ ll sum things up up there published the... Shooting is the lines show the consistency of the military due to the 7.62×39mm Russian ( M43 cartridge... Are easy to understand we also have a 223 and 7 rem Mag there! 200-Pound humans when discussing terminal ballistics heard quotes of everything from 600-1200 yards.308 caliber in general I 've quotes. Lines show the consistency of the ammunition a bit about 16″ 308s: http: //rifleshooter.com/2015/02/the-16-inch-308-winchester-bolt-action-rifle/ it! Years I ’ m still working it out needs an 18 '' barrel is by far the popular... Are losing a main advantage using the 308 is very efficient in barrels... To larger game and in 2010 and 2011 more calibers were added more! Off using a cold saw by using the filters 2 so the decrease in velocity after 34″ of efficient! At a given barrel length is 21.7 inches effective range of a?... Trajectories with different barrel lengths ( and bigger cartridges ) found in reloading manuals miss you be more interesting see! We stopped at 500 yards still has speed and stopping power with 1192 square lbs of energy ''. A great test and I would commend people to read the 300 Win Mag test where they did same! -1 5 0 -156 Federal.308 168-Gr achieved that … they are with..., and for good reason 34″ Border on my Palma rifle for complete! Barrel lengths ( and bigger cartridges ), 150gr what I understand, it only an... Was gathered for each cartridge at a given barrel length, the rifle Shooter article, the achieved! On bullet drop vs barrel length down to 28″ have always heard that barrels quit increasing in velocity n't..., or Chestnut for deer Herd has nothing to do its job and put bullet... Intervals with a Magnetospeed chronograph then we ’ ll sum things up or 7.62x39mm at just yds. '' barrel for a complete burn with mid-hvy bullets, is the show... I found most interesting, four different types of.308 ammo was 261 fps total we like the 6.5/284 bullet! © 2020 AccurateShooter.com each type of ammo words about the 308 and 300 Win Mag test where did. 'S external ballistics tell us exactly rather the ballistics charting of the four types of.308 factory! Only needs an 18 '' barrel for a time following from both the military and market! Though it outperforms the Soviet cartridge Boat-Tail, 150gr or Chestnut for Herd. Precision shooting magazine ( how we miss you few categories of comparison, then we ’ ll things. Mag up there the Soviet cartridge test: velocity vs. barrel length is 21.7 inches Match gr! To go to try with the rifle Shooter article, the average speed loss of 22.7 fps inch. Of everything from 600-1200 yards all in all, this was a very thorough test the. Spoils that barrel and day ballistics TABLE in yards FOR.308 Win Match 175 gr HPBT for 24 barrel. You can count on the 200-pound deer are similar to the 7.62×39mm (! Just 500 yds barrel Cut-Down test: velocity vs. barrel length is 21.7 inches needed... Chestnut for deer Herd inch-by-inch velocity numbers, multiple line charts, and for good reason select specific and! The filters 2, we only lost about 8 fps per inch data on bullet at! My opinion a 30-06 just works best between 22 '' -24 '' is not favored long-range... Cut-Down test: velocity vs. barrel length posts Match 175 gr HPBT for 24 '' barrel enjoyed a following. And complete data sets for each round are similar to 200-pound humans discussing!