The testers described their procedure as follows: “Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. The .308 Winchester round shoots pretty flat out to 200 yards when it starts to drop. We also have a 223 and 7 rem mag up there. Thanks for the kinds words about the 308 and 300 Win barrel length posts. ), 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. I mention deer because I believe 200-pound deer are similar to 200-pound humans when discussing terminal ballistics. 7.62mm M118 LONG RANGE (LR) 175 gr HPBT for 24" Barrel. The bullet energy is the highest of the selected .308 rounds with 1,300ft.lbs of … The .308 Winchester remains the standard sniper anti personal cartridge of the military due to the heavy support structure that surrounds it. 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. Based on the data published in the Rifle Shooter article, the average of most efficient barrel length is 21.7 inches. This bullet has a ballistic … Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. specifications are nominal ballistics figures established in test barrels. Interestingly, these numbers jive pretty well with estimates found in reloading manuals. I have a .308 BLR with 18.5" bbl. There are some .308 rounds out there that perform well at these distances as well, but generally, the .270 would be the better choice. By Chuck Hawks. 308 is very efficient in shorter barrels compared to a caliber like the 6.5/284. The .308 Winchester as a hunting round is great for deer, mule deer, elk, black bear, and nuisance animals like wild hogs. One has to remember some times taking off that extra inch spoils that barrel and day! .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! 0.0 indicates yardage at which firearm was sighted in. 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. var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; 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. Velocity loss can be more extreme with shorter barrel lengths (and bigger cartridges). But depending on what he plans on doing with the rifle it maybe exactly what he needs. For the .308 Win, we like the Nosler Ballistic Tip 165gr. This chart shows … In 2009 an additional three calibers were tested and in 2010 and 2011 more calibers were added. 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. A When we cut our 6mmBR barrel down from 33″ to 28″, we only lost about 8 FPS per inch. The .308 Norma is a powerful cartridge of sound design, ideal for medium game hunting and long range shooting. The bullet energy is the highest of the selected .308 rounds with 1,300ft.lbs of … 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. 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. SD’s and ES were superior from the longer barrel, as was the sight picture. 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. 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. 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″. 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. 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. The. The .308×1.5" Barnes is a wildcat cartridge based on the .308 Winchester (7.62×51mm NATO). --> Get your 308 Winchester Ammo from our friends at AmmunitionToGo.com <--: Buffalo … 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. I bought a 308 … The cuts were made in one-inch intervals with a rotary saw. In my opinion a 30-06 just works best between 22"-24". Great test ! In the good old days of Precision Shooting magazine (how we miss you! This bullet at 500 yards still has speed and stopping power with 1192 square lbs of energy. I will be comparing it against the 5.56 NATO and 7.62×39 … 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″. My deer hunting combination of a .223 Rem caliber rifle shooting 60-grain soft point bullets almost never penetrated to the 12-inch … June 4th, 2015.308 Win Barrel Cut-Down Test: Velocity vs. Barrel Length. 6.5 Creedmoor Ballistics Chart data and Ballistic Coefficient Information. Ballistics By The Inch. You can then also add atmospheric conditions and angles. use only in firearms designated for this cartridge and so recommended by the manufacturer. 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. From what I understand, it only needs an 18" barrel for a complete burn with mid-hvy bullets. April 24th, 2016.308 Win Barrel Chop Test: How Velocity Changes with Length. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. The cuts were made in one-inch intervals with a rotary saw. ga.src = ('https:' == document.location.protocol ? With a barrel reduction from 28″ to 16.5″, the average speed loss of the four types of .308 ammo was 261 fps total. 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; That works out to an average loss of 22.7 fps per inch. Temperature was 47° F.”. So what does the charting of the .308 Winchester's external ballistics tell us exactly? The test protocol was repeated for the next length. This calculator will produce a ballistic trajectory chart that shows the bullet … _gaq.push(['_trackPageview']); Red Oak, White, or Chestnut for Deer Herd? 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. Lots of fun and frustration especially if you forget to write it all down! I think if you tinkered enough you could do 1,000, however I don’t think it is practical. Which is optimized in a 26in tube. Velocity was about 10 FPS below that of my 30″ Border. © Copyright GunData.org 2015  |  Koenig Media, LLC   |   Links   |   Sitemap   |   Advertise. This is another excellent option for medium to larger game. Average velocity and standard deviation were logged for each round. (function() { The 308 is a basically a lengthened 300 Savage at higher pressure. 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 had a 34″ Border on my Palma rifle for a time. The cuts were made in one-inch intervals with a rotary saw. 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. The .308 is a very efficient cartridge. https://www.snipercentral.com/308-winchester-7-62x51mm-nato At each cut length, velocity was measured with a Magnetospeed chronograph. The cartridge is similar to the 7.62×39mm Russian (M43) cartridge though it outperforms the Soviet cartridge. 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. A given barrel length.223 or 7.62x39mm at just 500 yds drop at ranges... 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