Advanced Arament Blackout 300 AAC Blackout Open Tip Match .22 LR - Brass Casing
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Designed to launch 30 caliber bullets from AR-style platforms, the 300 AAC Blackout subsonic rifle ammunition Open-Tip Match (OTM) bullets shoot better than a 9mm MP5 round in penetration and accuracy. The brass features a standard 5.56mm taper which minimizes strain on the bolt's weaknesses.