300 BLK, being three times the mass and with some 90-percent larger bullet area, is going to generate a more significant wound channel and cavity on average at every range, and retain more weight in that process, thus producing better terminal performance while offering the potential for better barrier penetration. Plus, what isn’t shown in the charts, is the common sense that the bullet on the. 300 BLK round one of the most powerful cartridges that can be fired from a standard-length AR-15 lower. In short, the baseline Blackout has 60 percent more foot pounds of energy per round at 500 yards than the 5.56 and is akin to the 7.62x39mm M43 round used around the globe by the AK47. more than the 5.56mm round at 300 yards, and 180 ft./lbs. However, the heavier Blackout retains more of that energy downrange, having over 130 ft./lbs. However, short-barreled rifles like the Honey Badger upped the game a good bit by producing a short-barreled M4 carbine (optimized for just 9-inch barrels) that delivered similar performance to an AK47 (which fired the 7.62x39mm round) at ranges out to 200 yards and could do so quietly - offering supersonic and subsonic speeds.īest yet, the new round could be used in standard AR15/M4/M16 lowers and feed reliably in a STANAG magazine with no modifications.Īt the muzzle when comparing the two rounds, you get an interesting lesson in physics, with the superfast velocity of the 55-grain bullet on the 5.56mm NATO generating almost the same foot-pounds of energy as the 150-grain bullet of the. At the time, Navy SEALs and Army Delta’s operators used as their go-to CQB blaster the Heckler & Koch MP5-SD, an integrally suppressed 9mm submachine gun, for self defense & close-in action at bad-breath distances. 30 caliber AR-style platform that was both reliable and suppressor-ready and AAC’s Robert Silvers met the need with the original Low Visibility Carbine (AKA Honey Badger) proposal. Back when it was a brilliant suppressor maker, Advanced Armament Company developed a new 7.62x35mm cartridge and weapon to use it (a modified AR-style platform) to spec for an unnamed special operations unit in 2009.
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