The Stern Defense 9mm bolt is crafted from 8620 AISI steel with a Mag-Phosphate finish, delivering proven corrosion resistance and reliability for demanding shooting applications. Fully assembled with all sub-components installed, including firing pin, spring, retaining pin, extractor, extractor spring, and proprietary center and roll pins, this bolt arrives ready to function. It fits into Mil-Spec and Glock-pattern upper receivers, functions with Colt SMG and Glock magazines, and is fully compatible with standard AR15/M16 charging handles.
The bolt incorporates Stern Defense’s new design which caters to single stage triggers with short resets, making it an excellent choice for precision PCC builds. This bolt is compatible with the Law Tactical folding stock and the Echo trigger. Constructed from 8620 AISI steel with a custom 4140 billet extractor providing superior ejection, this assembly combines durability with refined engineering for shooters who demand reliable performance.
