Midwest Industries Bolt Carrier Group BCG 9310 5.56/AR15 Black Titanium Nitride Finish MI-BCG-NIT. The Carpenter 158 Bolt is heat treated shot peened precision ground for perfect dimensions and MPI Tested. The 4140 Billet Gas Key is properly torqued...

In stock
ShipAmount $0.00
RevType 2
Manufacturer Midwest Industries
Sku MIBCGNIT
Identity 14019809848