Noveske Complete Bolt Carrier Group BCG Complete 5.56mm 0. 56 COMPLETE Specifications for Noveske Complete 5.56mm Bolt Carrier Group (BCG) Complete: Manufacturer: Noveske Color: Black Finish: Phosphate Chrome Caliber: 5.56x45mm NATO Gun Model: AR-15 Condition: New Additional Features: Shot peened & MP Tested Bolt Package Contents: Noveske Bolt Carrier Group Complete 5.56mm Ar-15 The Noveske Bolt Carrier Group Complete 5.56mm Ar-15 is a quality addition to the Noveske lineup. For more great deals on Bolt Carrier Groups by Noveske please browse our Noveske Gun Parts page. What firearm models does the manufacturer say Noveske Complete 5.56mm Bolt Carrier Group (BCG) Complete is compatible with? The manufacturer says that Noveske Complete 5.56mm Bolt Carrier Group (BCG) Complete is compatible with AR-15BOLT CARRIER GROUP 5.56 COMPLETE