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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
For Mil-Spec receiver extension tubes
combining a polymer-tipped hollow point design for reliable expansion and a round nose profile for smooth feeding
Material: 4140 HT alloy steel
Fits Burris FastFire
-Zy-Ex® core w/ softer Kray-Ex® exterior handles
STERN DEF BCG 9MM BU9 FOR GLOCK CUT UPPERS/MAGS Paper Targets For Mil-Spec receiver extension tubesMade with 8620 AISI steel and boasting a Mag Phosphate 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. Our 9mm
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