Stern Defense SD BU9 Echo 9mm Bolt Carrier Group For Glock/Colt - NiB

Looking for a PCC bolt compatible with the echo trigger right out of the box? Here ya go! Made with 8620 AISI steel and boasting a Nickel Boron, Melonite hybrid 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. Technical Information: Made in U.S.A. Constructed from 8620 AISI steel. Custom 4140 billet extractor providing superior ejection. Glock cut. Coating: NiB & Melonite Weight: 15.5 OZ. 9MM Echo compatible DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.