Stern Defense 45 ACP Mag Phosphate 8620 Steel AR15/M16 Bolt - 004SDBU45D1M

The Stern Defense 004SDBU45D1M 45 ACP Bolt Carrier Group is a high-quality firearm component designed for use with AR15/M16 platforms. Crafted from 8620 AISI steel and featuring a Mag-Phosphate finish, this bolt assembly offers exceptional performance and reliability. Engineered to function seamlessly with Colt SMG and Glock magazines, the 004SDBU45D1M is fully compatible with standard AR15/M16 charging handles. The bolt assembly comes fully assembled, including the firing pin, spring, retaining pin, extractor, and extractor spring, as well as proprietary center and roll pins.\n\n- Constructed from 8620 Steel\n- Mag-Phosphate finish provides corrosion resistance and a sleek appearance\n- Designed for use with Colt SMG and Glock magazines, as well as standard AR15/M16 charging handles