9 models V Seven 300 AAC Blackout Stainless Match Barrel (8) As Low As (Save Up to $10.00) $359.99 Best Rated. Sig does plan for a civilian 300 barrel. Remington now sells a variety of 300 BLK ammo: 1) 125 grain open-tip match with a custom Sierra bullet; 2) 220gr subsonic, and 3) 125gr AccuTip (photo below). Now that you know the best barrel length for .300 Blackout ammo, you only need to find where to buy a barrel that fits your needs. They are as dishonest as BBB/Angies List/etc. While on a 16-inch barrel, it reaches speeds of approximately 2400fps. Avoiding the logistical nightmare that would have been to replace the military's standard issue rifle during an ongoing war, the .300 Blackout was designed to be compatible with the M4 system. In the case of .308, if youre doing a bolt gun the longer barrel lengths can make a huge difference if you have the right powders same as my 9mm example. They can run any barrel length without an additional stamp. _gaq.push(['_setAccount', 'UA-6323545-2']); The SDN just doesnt silence 300 Black very well. and ask bribes of companies to remove bad reviews. It has a very short barrel and runs a long 9 can. The .300 AAC Blackout is designed as a variation of the older .300 Whisper ammunition. In a tactical situation, I can see the reason for keeping it attached, but at the range, supersonic ammo is not going to be ear safe with or without a suppressor. Best Barrel Length For Suppressed 300 Blackout For optimal performance with a suppressed 300 Blackout, we recommend a barrel length of 8-10. Not even from a 300 BLK. Some folks wonder why consider a 300 BLK? 300 Blackout SAAMI Cartridge Specification. You can now purchase quality factory ammo and even premium Lapua 300 BLK brass. Hey Nick. Products manufactured by 80% Arms carry a lifetime warranty against manufacturing defects. ALL Bulletin content is copyrighted, 2023 AccurateShooter.com. Plus higher velocity typically requires less hold over. I need to get the lathe going as well, and I havent had the time or patience to do it. Scopes For Beginners: What is the Parallax Adjustment Knob and How Do I Use It? This issue isnt unique to 300 Blackout bullets, though. The length of a barrel also dictates the rifle's twist rate and thus the bullet as it travels down the barrel. When an object travels faster than the speed of sound and breaks the sound barrier, it generates a sonic boom. You have entered an incorrect email address! For a more economical build experience, getting a full lower build kit will save you some bucks. Flash can under the handguard is sexy and with a 10-inch 300 Win mag rated can is 35.5 inches OAL Always thought of the 300 as a niche caliber, but Im good with that. The latter has nearly twice the propellant, and is therefore better able to fell very distant game. This high-speed feature means that the bullet will spend relatively less time in motion and thus less prone to the effects of elements like the wind. One of the best things about 300 BLK is that it gets complete burn in a much shorter barrel. A 9 inch barrel is definitely a handy length, but it is certainly not the fastest. Regardless of the position it plays, the .300 BLKs performance often hinges on finding the best barrel length and load combination for the distance you have in mind. This is not a function of the dimensional cartridge at a top level so much as it is a function of the SPECIFIC loaded cartridge you are using. Best Barrel Length For Suppressed 300 Blackout For optimal performance with a suppressed 300 Blackout, we recommend a barrel length of 8-10. Lastly, barrel length affects a bullets twist rate how much a bullet spins within the barrel when fired. But for hunters using a bolt gun, there are any number of tried and true options, such as the 7.6239, .30-30, and, of course, the .308 Winchester (7.6251 NATO). According to Advanced Armament Corp the entity that developed the .300 Blackout cartridge its optimized for a 10 barrel with suppressor. The concept of putting a .30-caliber bullet in a shortened 223 case has been done before, but not as an industry-wide standard that anyone can make products for, royalty-free. When barrel friction on the bullet is greater than gas pressure behind the bullet, the bullet will slow. Tyler Krenzel, While the AR-10 has been around for decades, there, *Competitive Shooter of the Week* WebThe 300 HAMR 1-11.25, 1-13, or 1-15 twist match grade barrels are optimized for accuracy with 95gr to 150gr bullets from 8 to 20 barrel lengths. Both AAC and Noveske use a 1:7 twist rate, while the PWS300 BLK upper uses a 1:8 twist. A buddy has a 100yd range in his back yard. The SAAMI diagram for the 300 BLK is shown below. Attaching a 6 suppressor to this barrel length results in a total length of 14 to 16, which provides optimal muzzle velocity for accurate long-range shots. ga.src = ('https:' == document.location.protocol ? For example, if you shoot the same Hornady Sub-X 190-grain load from a 16-inch barrel, it will drop 33 inches at 200 yards a 14-inch improvement over shooting with a 10-inch barrel. That way you could further save length on the rifle. , in bullet weights that vary from 110- to 220-grains. The best barrel length for .300 Blackout depends on how you intend on using your gun. Question of the Day: How Do You Spread the Pro-Gun Gospel? The 300 AAC Blackout definitely works for hunters who want to use their AR15-platform rifle. It depends on the intended purpose of the rifle. Daniel Squ, Brass-cased ammo generally outpaces steel in every, *Competitive Shooter of the Week* I was at first considering a 9" barrel with a 1:7 rifling, for that is what the cartridge was designed around. *Calculations are estimates using Hornadys on-line ballistic calculator and adjusted by the companys estimate of between 25 and 35 fps loss per inch of shortened barrel length (30 fps subtracted per inch for the purposes of this chart). Though there is a lot of talk among gun enthusiasts about the nine-inch sweet spot of barrel length when it comes to the .300 Blackout, the ammo works well with different variations of barrel lengths and uppers. ALL RIGHTS RESERVED. What failed exactly? We refer to it as one rotation over a particular inch of barrel. Just more satisfying to me than a real press. Even the bolt stays the same, and all that changes is the barrel. CLICK HERE for more information. Be first to know about promotions and new product launches. When picking out a muzzle for your assembly, keep in mind the muzzle's compatibility with available suppressor fittings. For example, with a 10.5-inch barrel, the .300 Blackout clocks an average velocity of 2200 feet per second. Suppressor-Friendly: You can shoot heavier bullets subsonic. Supersonic bullets travel fast enough to generate sonic booms, and the resulting noise gives even suppressed gunshots a loud "crack.". In a 16 supersonic only AR there are vastly superior caliber choices like 6.8SPC. Secondly (and the reason why my second .30 suppressor is fast attach) is that I have multiple firearms that I take to the range and want to be able to quickly switch between them. WebThe 300-Blackout is a lower-power 30-caliber cartridge. So heavy a bullet conveys a subsonic muzzle velocity and correspondingly softer report. Standardized with SAAMI (Sporting Arms and Ammunition Manufacturers' Institute) specs means every design aspect of the .300 Blackout is kept similar, regardless of the manufacturer. A higher velocity will help a bullet fly with more power and speed, increasing how far a bullet can travel before gravity pulls it off its trajectory. The more we all know, the better organized and stronger the shooting and hunting community will be. After investigation, AAC found the 7.6239 cases aggressive taper too extreme for a standard M4 magazine to accommodate. This compatibility means that it can allow for major savings if you're a gun enthusiast who likes to stay on a budget. 125 and 225-gram .300 ammo fired from both barrel lengths can travel 100 yards without dropping. Sorry to be bearer of bad news. Although functionally identical to the 300 Whisper, the 300 AAC Blackout is its own SAAMI standardized cartridge. Its a 30 second swap from 300blk to .556 http://thetruthaboutguns.com/author/foghorn/, Illinois Freedom Week Starts Today: Federal Court Blocks Enforcement of Illinois Assault Weapons Ban. I was understanding that my 5.56 with 55 grain bullet needed a twist of 1:7 to be right. However, if you want a .300 Blackout barrel that can deliver sufficient power, accuracy, and maneuverability to serve you in various scenarios, go for a 9 to 10-inch barrel. Cartridge Overall Length: 2.02 inches. On the flip side, having a shorter barrel allows for easier close-combat shooting, which would otherwise be a challenge if you had a nine-inch barrel. The kissing cousins resemble twins at a distance, but the similarities end at projectile girth. Plus, the long barrel compensates for its rather laborious maneuverability. Everything from .22lr to subsonic .308 Winchester, and even 5.56 NATO from a 16 barrel. Even at 300 yards holdover is nearly 9 feet. 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. There were also efforts to introduce the AK-friendly 7.6239 mm (also .30-caliber) to modern sporting rifles, but many of them ran into the cartridges case geometry challenge, where feeding can become a concern. _gaq.push(['_trackPageview']); Wilson Combat 11.3 barrel (worried this is too long) At 16-inches, muzzle velocities are near their peak. And if you are out in the wild shooting at some long-range game, a longer barrel will give you both the power and accuracy advantage. Though the muzzle rise and recoil forces are not entirely negligible, they are not enough to affect follow-up shots for the shooter. Affordable Factory 300 BLK Ammo is Available Yes, there are loads that can use longer barrels, but you need to have a specific goal in mind before there is a large benefit in this caliber. Just an old farts opinion! In the chart, Hornady 110gr G-Max Full Boar (2,350 FPS At Muzzle), Hornady 125gr HP American Gunner (2,175 FPS At Muzzle), Hornady 190gr Sub-X Subsonic (1,050 FPS At Muzzle), *Competitive Shooter of the Week* Heavy, slow moving subsonic bullets experience more bullet drop than fast, more aerodynamic bullets. The 220 grain subsonic .300 Blackout goes at about 1010 feet per second with 500 foot-pounds of muzzle energy. And of the couple dozen barrels Ive used in builds, only Faxons have given me fits with under-gassing (suspected out of spec gas port). I was under the impression that accuracy needed to match bullet weight, (already mentioned), barrel length (also mentioned), and type of powder used.
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