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Harvester 300
this magazine is an essential accessory for shooters seeking to maximize their pistol's capabilities
Muzzle Energy: 3245 ft-lbs
-Off set feed style
STERN DEF BU45 BCG FOR GLOCK CUT UPPERS/MAGS AR Rails Harvester 300Made with 8620 AISI steel and boasting a Mag Phosphate finish, the Stern bolt fits into Mil Spec and Glock pattern upper receivers. It functions with Colt SMG, Glock magazines and it's fully compatible with standard AR15 M16 charging handles. Comes fully assembled with all sub components installed, including firing pin spring retaining pin, extractor, and extractor spring. Also included in bolt assembly is a propriety center and roll pins. Our 45