The Pentagon line of handgun ammo centers on a monolithic copper hollow point design carefully engineered for controlled opening on impact to maximize penetration while delivering optimal hydrostatic shock. These environmentally safe, lead-free projectiles deliver petal expansion to twice the bullet diameter. The Pentagons higher velocities and greater impact energy than conventional composite bullets are credited to the monolithic copper bullets lighter weight and the NovX patented 2-piece stainless steel cartridge case design. The net result is a defensive cartridge that is lighter to carry concealed, easier to shoot, provides for fast sight picture acquisition on follow-up shots through reduced muzzle flip, and superior terminal performance to quickly end defensive engagements.
The information below comes from our Gun Caliber Dictionary and is for
general reference only. It does not describe the specifications of this
particular item.
The 300 AAC Blackout (300 BLK) was developed in 2009/2010 by Advanced Armament Corporation and approved by Sporting Arms and Ammunition Institute (SAAMI) in 2011. Based on the 223 Remington case necked up to 30-caliber, it was intended for the M4 Carbine and designed to function in standard AR15/M16 magazines. Thus converting an AR to 300 AAC Blackout requires nothing more than an upper receiver group. Dimensionally it is identical to the 300 Whisper, but the 300 Blackout is fully standardized. Supersonic and subsonic ammunition is manufactured, with a 125-grain bullet producing 2215 feet per second, while the subsonic load uses a heavier bullet at much lower velocity: 220-grain bullet at 1080 fps. Military applications are obvious; as a sporting cartridge performance is similar to the 7.62x39.
—
Craig Boddington
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