Stern Defense Bolt, Mag Phosphate 8620 Steel AR15/M16 9mm - 004SDBU9D1M

Product Features & Specifications

Stern Defense 004SDBU9D1M 9mm Mag Phosphate 8620 Steel AR15/M16

Made 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.

The 45 bolts incorporate the new bolt design which caters to single stage triggers with short resets.