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to provide a fast, secure, and enjoyable experience. by Nofox, from TN, United States Asked on January 19, 2023
The tern Defense SD BU45 .45 ACP Bolt Carrier is a complete BCG ready to drop in. It comes fully assembled with all sub-components installed, including firing pin/spring/retaining pin, extractor, and extractor spring. 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.