Stern Defense Melonite .40S&W Complete Bolt Carrier Group - SD BU40

Stern Defense SD BU40 Bolt Carrier for AR15/M16 Black 004-SD BU40-D2-M. These Bolt Carrier Groups made by Stern Defense are built out of 8620 AISI steel and Mag-Phosphate finished to ensure a strong reliable part that will withstand repeated firings and give you extended service life. This Stern Defense SD BU40 AR Bolt Carrier is compatible with single stage short reset triggers and compatible with the Law Folding Tactical Stock and the Echo trigger offering a lightweight option for your weapon build. Gain enhanced durability and superior ejection with every shot when you install this .40SW Stern Defense SD BU40 Bolt Carrier. Specifications for Stern Defense SD BU40 Bolt Carrier: Manufacturer: Stern Defense Color: Black Finish: Phosphate Chrome Gun Model: M16 AR-15 Hand: Right Weight: 15.5 oz Bolt Material: 8620 Steel Carrier Material: 8620 Steel Features of Stern Defense SD BU40 Bolt Carrier Constructed from 8620 AISI steel. Custom 4140 billet extractor providing superior ejection. Glock cut. Coating: Mag-Phosphate Weight: 15.5 OZ with weight 13.3 OZ without. .40SW Compatible with single stage short reset triggers. Compatible with the Law Folding Tactical Stock Compatible with the Echo trigger. Compatible with the JP Silent capture spring (Not recommended) Package Contents: Stern Defense SD BU40 Bolt Carrier Stern Defense 004-SD BU40-D2-M: SD BU40 Bolt Carrier for AR15/M16 Black