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936 barrel diameters provides precise control over your large-bore AR's gas system
satisfying explosion
7x28mm Barrel and Bolt Carrier Group Kit
Integrated Laser Range Finder
Muzzle Energy: 487 ft-lbs
ROSCO 556NATO/300BLK BCG MELONITE BK Hollowpoints 936 barrel diameters provides preciseRosco Manufacturing, Bolt Carrier Group, 556NATO 300 Blackout, Fits AR 15, Melonite Finish, Black
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