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74" Overall Length
Black Earmuffs
300 Win mag
Muzzle Energy: 120 ft-lbs
STERN DEF BCG 9MM BU9 FOR GLOCK CUT UPPERS/MAGS Weather Instruments 74" Overall LengthMade 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 9mm
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