Mitchell Defense Enhanced ArmorLube M16 5.56mm NATO/.300 BLK Bolt Carrier Group Black 611001. 56 and .300 BLK platforms. Its ArmorLube surface treatment - an advanced DLC coating developed with U.S. Army DEVCOM - achieves 97000 abrasion cycles far...
Mitchell Defense Enhanced ArmorLube M16 5.56mm NATO/.300 BLK Bolt Carrier Group Black 611001. 56 and .300 BLK platforms. Its ArmorLube surface treatment - an advanced DLC coating developed with U.S. Army DEVCOM - achieves 97000 abrasion cycles far...