Testing a home-built upper with a Noveske 8.5" Stainless .300 Blackout Barrel in 1:7 twist. Unpacking the Sig 300 Blackout The Ballistic Advantage modern series 300 Blk 16" barrel is treated with the Quench Polish Quench finish for superior corrosion and rust resistance. Add to Cart ; 8" .300 Blackout Pistol Length AR 15 Barrel, Modern Series 0 Review . Ballistic Advantage 8.3" 9MM AR15 Barrel (1/2x36 Threads) Ballistic Advantage 8.5" .300 Blackout Pistol Length Barrel: Ballistic Advantage 9" .300 Blackout Pistol Length Barrel: $115.00. AR-15 300 AAC blackout 16" stainless steel black spiral fluted upper assembly. His daily carry is a Glock 19 pistol and an AR15 .300 Blackout pistol in a backpack. By now, most everybody knows the 5.56×45mm NATO cartridge. Share Filed in: Reloading Tags: 300BLK , ballistics , barnes tac-tx , reloading Ballistics out of a 6.75″ 300 Blackout barrel As you’d expect from their similar overall size, the ballistics of the .300 Blackout and 7.62×39 are pretty similar as well when using similar weight bullets. Does 10.5" barrel have much improvement in accuracy or ballistics over 8.5" in a 300 BO or is it only marginal? AAC is fine with a 7 1/2" 300 BLK barrel. 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. $220.00. I have shot the AAC SR-7 can over a 7 1/2", 10 1/2" and 16 inch 300 BLK. SALE PRICE: $169.99 . Any AR15 platform rifle can be converted to 300 HAM’R with a simple barrel change and the use of 300 Blackout magazines. Seekins Precision 300 out 8 Inch Barrel MCSR Rail Billet Upper, Includes BCG and Charging Handle SBR $899.00 (Save $44.95) $854.05 Aero Precision M4E1 Complete Upper .300 Barrel $459.99 Rating: 100%. I will be comparing it against the 5.56 NATO and 7.62×39 Soviet when relevant, as the 300 Blackout is meant to replace one and match or surpass the other. The .30-caliber is hands down the more suppressible of the two, with ample subsonic loads available. Comparison of the .300 Blackout ammo used in this test. A 10-inch barrel on an AR pistol or a short barreled rifle is perfect for the .300 Blackout. 300 blackout supersonic is humane for hunting up to 200 yards (BlackHills TAC-TX) depending on size. This demonstrates a distinct advantage in favor of .300 Blackout ballistics when fired from two of the most common barrel lengths for the modern M4 carbine – 14.5” and 9”. I've been unable to find suitable data. .300 Blk-The .300 Blk has a wider range of projectile choices – Due to the .30 caliber bore, burns its full potential in a 9-inch barrel, and is a much better choice for hunting.-Has the ability to cycle both super and subsonic ammunition without modification. The 300 HAM’R 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. I'm thinking of 220 and 125 grain rounds. Out of Stock. If you aren’t familiar, .300 Blackout, or .300 BLK, is a round that is designed to work with the AR-15 platform, and to excel in short-barreled and/or suppressed weapons. Any other melonited barrels under $150 I should consider? Also between KAK, Mas Defense, Radical Firearms barrels are all these good? You loose about 100 fps going from 10 1/2" to 7 1/2" barrel with 110gr supersonics. It mimics the Russian 7.62×39 round, and can even be loaded into standard 5.56/.223 AR-15 magazines. Adding several .30-caliber rifle suppressors, it remains very quiet even in close quarters. One benefit of 300 Blackout is that it works well in short barrel configurations. barrel, Real Tree APG Camo, .300 AAC) - M&P 15 .300 Whisper is manufactured on the M&P15 modern sporting rifle platform. Discreet Ballistics gives its customers the option of choosing these loads for use in 16″ barrels or 7-11” barrels. $160.00. Subscribe to back in stock . odin works inc. (in stock) 0.0. ar-15 ranger barrel 300 blackout. I'll likely zero at 50 meters. 300 AAC Blackout is typically chambered in platforms with barrel lengths ranging from 7” to 16”. Development. This round has been thoroughly tested to function in both pistol and carbine length gas systems. This is the shortest that we will go to allow you the flexibility of a shorter Personal Defense Weapon (PDW) without sacrificing performance or ballistics. It delivers similar energy at the muzzle as a 14.5-inch M4 in 5.56mm. That is about a 2" lose in ballistic gel penetration. Subscribe to back in stock notification . wilson combat (in stock) 0.0. ar-15 threaded barrel 300 blackout tapered profile. Due to NFA laws in my home state, two different guns were used for this test. 34 Reviews. .300 Blackout vs 5.56mm. .300 Blackout. The uppers all feature different length handguards, that accommodate the mounted flash suppressor. The barrels are all equipped with a standard A2 muzzle brake that’s been proven efficient and effective. If Bill Wilson's velocities are true and one doesn't need the subsonic/suppressed performance, than 300 Blackout is dead in the water compared to this for supersonic use; an increase of 300 fps and 400 ft/lbs with the same bullet weight over the 300 BLK is significant. Anyone have any thoughts? Barrel - 16" 416 stainless steel hbar contour barrel. While I might prefer a 10-inch version, this 7.5″ Aero Precision upper works well with the right ammo. The gun we will be using is a .300 Blackout pistol with a 10.5 inch barrel and a 1 in 8 twist rate. Click to enlarge. And it utilizes standard 5.56 bolts and easy to form brass. The standard .22-caliber also performs better out a longer barrel. Ballistic Advantage 8" Barrel (300 Blackout), Performance Series MSRP $185.00 . What you have now is the ultimate short range thumper that will feed both supersonic and subsonic ammunition and get its full ballistic potential (complete burn of the powder) from a 9-inch barrel. We will be measuring the muzzle velocity of each round using a ProChrono Digital PAL chronograph set up at the muzzle, and then plug that data into Strelok Pro in order to work up some ballistics charts for each round. 9" .300 Blackout Pistol Length AR 15 Barrel, Modern Series 0 Review . FREE SHIPPING APPLIES TO ENTIRE CART Even with a 9-inch barrel, it holds its own against the 6.8 SPC using shorter barrels out to 300 yards. Ballistic Advantage 8.3" .300 Blackout BA Hanson Barrel w Lo Pro: Ballistic Advantage 8.3" 9MM AR15 Barrel - Modern Series: $210.00. In fact, they’re both roughly comparable to the .30-30 Winchester. $125.00 As low as $120.00. No special bolts or magazines to buy to get into a new caliber! Our initial research data covered the relationship between barrel length and velocity for some 13 common handgun calibers/cartridges. FREE SHIPPING APPLIES TO ENTIRE CART (Out of Stock) (6) Ballistic Advantage 8.5" Barrel (300 Blackout) MSRP $155.00 . 300 blackout medium profile barrel with tunable gas block. Genuinely curious about those who understand ballistics better than me. Read Next: Ultra-short .300 Blackout barrels round-up Part 1 Both of these barrels I assembled onto uppers. Barrels can range as short at 6 inches (Q Honey Badger) with 1:5 twist to 9 inch Daniel Defense 1:7 twist. 7.62×39 vs 300 Blackout Ballistics. Both used ALG Defense handguards, which had to be trimmed down by about 9″. Most 300 Blackout users get a suppressor to take full advantage of subsonic ammo available in this cartridge. .300 AAC Blackout delivers better ballistic performance than both standard-velocity 5.56 loads as well as subsonic 9mm loads, making it the ideal choice for an AR pistol. VALUE-LINE 300 BLACKOUT 8.5 INCH PISTOL MELONITE BARREL . I'm building a 300 Blackout right now and as I'm choosing my optics I did several internet searches looking for trajectory charts for sub and supersonic rounds being fired through an 8.5 inch barrel. As something of an ammo guy, I wanted to bring the Guns.com readers an in-depth look at the brand-new Sig Sauer 300 Blackout 120-grain Short Barrel load. Hardene.. $115.00. However, the .300 Blackout is available in a wide range of bullet weights. This Rosco 8.2” 300 Blackout Bloodline Barrel was designed for SBR and Pistol use in conjunction with suppressors. $155.00. SALE PRICE: $139.95 . First, supersonic ammunition was tested unsuppressed through a custom AR-15 pistol with a Brownells 10.5-inch .300 Blackout barrel with a 1-in-8-inch twist rate. 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