Stern Defense 9mm Complete Bolt Carrier Group, Mag-Phosphate Finish - SD BU9

Stern Defense SD BU9 Bolt Carrier AR-15 Glock-Pattern Upper Receiver 9mm Black 004-SD BU9-D1-M. These Bolt Carrier Groups from the experts at Stern Defense are built with Melonite coatings on 8620 AISI steel with a melonite finish to reduce friction and increase reliability. The Stern Defense Glock Pattern 9mm Bolt Carrier fits Mil-Spec and Glock-pattern upper receivers and it's compatible with Glock magazines and standard AR15/M16 charging handles. Further it functions with Colt SMG and Glock magazines so you can use it with your Glock pistol. Install this bolt carrier in your Glock and Mil-Spec rifle upper receivers to get a durable and reliable bolt carrier group. Pick up this 9mm BCG for your AR or Glock firearm. Specifications for Stern Defense SD BU9 9mm Bolt Carrier for AR-15 Glock-Pattern Upper Receiver: Manufacturer: Stern Defense Color: Black Finish: Phosphate Chrome Fabric/Material: Melonite Cartridge: 9mm Luger Gun Make: AR Platform Gun Model: AR-15 Hand: Right Additional Features: Constructed from 8620 AISI steel Compatible with the JP Silent capture spring 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. Condition: New Weight: 15.5 oz Bolt Material: 8620 Steel Carrier Material: 8620 Steel Package Contents: Stern Defense SD BU9 9mm Bolt Carrier for AR-15 Glock-Pattern Upper Receiver Stern Defense 004-SD BU9-D1-M: SD BU9 Bolt Carrier AR-15 Glock-Pattern Upper Receiver 9mm Black