Odin Works 6.5 GRENDEL Black Nitride BCG COMPLETE
Type 2 6.5 Grendel bolt face. True Mil-Spec Bolt Carrier Group Material: Case Hardened 8620 Steel Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants. Gas Key: 4130 Steel attached with Grade 8 hardware and properly...