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The Stern Defense 004SDBU45D1M 45 ACP Bolt Carrier Group is a high-quality firearm component designed for use with AR15/M16 platforms. Crafted from durable 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.
This Stern Defense bolt carrier group is an excellent choice for those seeking a high-performance, reliable component for their AR15/M16 firearm. Its technical specifications and attention to detail make it a top-tier option for discerning shooters and enthusiasts.