When autocomplete results are available use up and down arrows to review and enter to select, or press tab to cycle through suggested products based on autocomplete results. Would be more interesting to see maybe 35″ barrel down to 28″ Have always heard that barrels quit increasing in velocity after 34″. The .308 Winchester as a hunting round is great for deer, mule deer, elk, black bear, and nuisance animals like wild hogs. The US Army preaches an 800 meter maximum effective range for the .308, the USMC preaches a 1000 yard (915 meter) max effective range. Interestingly, these numbers jive pretty well with estimates found in reloading manuals. Click to see full answer Moreover, what is the effective range of a 308? var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; 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″. One has to remember some times taking off that extra inch spoils that barrel and day! Would be interesting to find out. The 308 with a 20" barrel will just about equal a 30-06 from a 18-20 barrel. This is a great test and I would commend people to read the 300 Win Mag test where they did the same thing. ALL Bulletin content is copyrighted, © 2020 AccurateShooter.com. This is another excellent option for medium to larger game. The science of projectiles and firearms, or in other words, the info you need to make the kill!If you are looking for the 270 vs 308 vs 30 06 ballistics chart, the 5.56 trajectory chart, the 300 Win Mag Ballistics data, or the 30 06 trajectory chart; you are in the right place!Here are a few suggestions for using the below dashboard: 1. 7.62 NATO vs . At 300 yards it has dropped around 13 inches, and at 500 yards it’s just under 60 inches (5 feet). ga.src = ('https:' == document.location.protocol ? Does anyone have data on bullet drop vs barrel length? Rifleshooter.com also offers ballistics graphs showing trajectories with different barrel lengths. https://www.snipercentral.com/308-winchester-7-62x51mm-nato 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. .308 Winchester (7.62mm NATO), In my opinion a 30-06 just works best between 22"-24". April 24th, 2016.308 Win Barrel Chop Test: How Velocity Changes with Length. 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. 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. 6.5 bullets also have better BCs. June 4th, 2015.308 Win Barrel Cut-Down Test: Velocity vs. Barrel Length. CLICK HERE to Read the Rifleshooter.com Test. 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 … photo link: http://rifleshooter.com/wp-content/uploads/2015/01/custom-16.5-rem-700-308.jpg. hdbiker hdbiker , Nov 5, 2015 #16 So by losing that speed we are losing a main advantage using the 308. There are some .308 rounds out there that perform well at these distances as well, but generally, the .270 would be the better choice. Which is optimized in a 26in tube. 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. Once data was gathered for each cartridge at a given barrel length, the rifle was cleared and the bolt was removed. The .308 Norma is a powerful cartridge of sound design, ideal for medium game hunting and long range shooting. 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. The .308 Winchester round shoots pretty flat out to 200 yards when it starts to drop. 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. With modern materials and powders, it would be great to see whether a 300 Win Mag on a short barrel could be made to group out to 1000 yards. A You may not reproduce original text or photos without advanced permission in writing. The bullet energy is the highest of the selected .308 rounds with 1,300ft.lbs of … Much Different Results with 6mmBR and a Longer Barrel The .308×1.5" Barnes is a wildcat cartridge based on the .308 Winchester (7.62×51mm NATO). specifications are nominal ballistics figures established in test barrels. In the good old days of Precision Shooting magazine (how we miss you! 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″. 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. In 2009 an additional three calibers were tested and in 2010 and 2011 more calibers were added. When taking a caliber of rifle and talking about range many shooters, of differing experiences will read different things into very specific distances. 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 barrel length So toying with the idea of giving the 308 T3 the chop. The 308 doesn't really gain much beyond 20" In my experience a 308 … The bullet energy is the highest of the selected .308 rounds with 1,300ft.lbs of … This calculator will produce a ballistic trajectory chart that shows the bullet … Fired from the same length 24-inch barrel, a .308 … BT HP Match, Velocity in Ft-per-sec., Energy in Ft-Lbs. To make the test even more interesting, four different types of .308 Win factory ammunition were chronographed at each barrel length. While there are many cartridge choices that outperform the .308 in ballistics, there are few that perform as consistently as the .308 … How much velocity do you think was lost, on average, for each 1″ reduction in barrel length? Velocity was about 10 FPS below that of my 30″ Border. The .308 is a very efficient cartridge. This bullet has a ballistic … never tried the 155 grain bullets---sounds like the way to go to try with the 18 inch… NTX® 83176 2050 1450 1070 —145 72 39 -1 5 0 -156 (function() { With a barrel reduction from 28″ to 16.5″, the average speed loss of the four types of .308 ammo was 261 fps total. When we cut our 6mmBR barrel down from 33″ to 28″, we only lost about 8 FPS per inch. While those wanting an increased range might choose the . The primary weapon system will be an M4/AR-15 platform with an AAC upper using a 9-inch barrel and pistol length gas system. Check out the 6.5 Creedmoor Ballistics Chart 1000 yards to see how well the High Ballistic Coefficient performs for long range shooting! SD’s and ES were superior from the longer barrel, as was the sight picture. 308 Winchester Bullet Selection and Ballistics Calculations Totally different cartridge and ballistics. Select specific calibers and cartridges by using the filters 2. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. After 15 years I’m still working it out. The answer may surprise you. FEDERAL .308 168-Gr. 308 is very efficient in shorter barrels compared to a caliber like the 6.5/284. The .308 is somewhat more flexible where a heavy bullet is needed or wanted for use on large animals. 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 … If not thats great, less work for me. The .308 is by far the most popular sniping round, and for good reason. I just figured that the slower velocity would make the round drop more or be more affected by a cross-wind. 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. In ballistics … use only in firearms designated for this cartridge and so recommended by the manufacturer. 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. Ballistics By The Inch. 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. How to Sight in a Scope - Step by Step Guide. 308 win: 21485: 168: ... specifications are nominal ballistics figures established in test barrels. Great test ! The cuts were made in one-inch intervals with a rotary saw. 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’.”, How the Test Was Done _gaq.push(['_setDomainName', '.accurateshooter.com']); This bullet at 500 yards still has speed and stopping power with 1192 square lbs of energy. 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. All sniper training including exterior ballistics and optical training is focused on the .308 … 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. 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. 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. Cartridge Type: Rifle Height: 2.015" Width: 0.473" Average FPS: 2681 Average Energy: 2617 Average Gr: 164 Recoil: 1.95 Power Rank: 4.4 of 20 The .308 Winchester / 7.62x51mm NATO was created in 1952 and is based on the .300 savage round a round created in 1920. 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″. 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. So what does the charting of the .308 Winchester's external ballistics tell us exactly? The .308 Winchester remains the standard sniper anti personal cartridge of the military due to the heavy support structure that surrounds it. American Eagle (Federal) Full Metal Jacket Boat-Tail, 150gr. Still working it out if you tinkered enough you could do 1,000, however don... 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