Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

Stern Defense SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black 004-SD BU45-D1-M. 45ACP UPPERS MUST HAVE AN ENLARGED EJECTION PORT. WHILE OUR 45 BOLT WILL ACCOMMODATE A JP SILENT CAPTURE SPRING. WE DO NOT RECOMMEND IT AS 45ACP CAN DAMAGE THE JP SYSTEM. Bolt. Made with 8620 AISI steel and boasting a Melonite 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 45 bolts incorporate our new bolt design which caters to single stage triggers with short resets. It also allows use with the JP silent capture spring but is not recommend for 45acp applications. This bolt is compatible with the law tactical folding stock. Technical Information: made in specialized factories Constructed from 8620 AISI steel. Custom 4140 billet extractor providing superior ejection. Glock cut. Coating: Melonite Weight: 15.5 OZ. 45acp Compatible with single stage short reset triggers. Compatible with the Law Folding Tactical Stock Compatible with the JP Silent capture spring(not recommended for 45acp) Share Share Tweet Pin it +1 Specifications for Stern Defense SD BU45 .45 ACP Bolt Carrier for AR-15 Glock-Pattern Upper Receiver: Manufacturer: Stern Defense Color: Black Finish: Phosphate Chrome Fabric/Material: Melonite Cartridge: .45 ACP Gun Make: AR Platform Gun Model: AR-15 Additional Features: Compatible with the JP Silent capture spring(not recommended for 45acp) Compatible with the Echo trigger. Compatible with the Law Folding Tactical Stock Compatible with single stage short reset triggers Custom 4140 billet extractor providing superior ejection. Constructed from 8620 AISI steel Condition: New Weight: 15.5 oz Bolt Material: 8620 Steel Carrier Material: 8620 Steel Package Contents: Stern Defense SD BU45 .45 ACP Bolt Carrier for AR-15 Glock-Pattern Upper Receiver Stern Defense 004-SD BU45-D1-M: SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black