AIM v2 BLACK NITRIDE .223/5.56/300BLK CARPENTER 158 Bolt

$ 49.95

Black Nitride AR15 Bolt made from Carpenter 158 steel. The bolts are also Shot Peened and MPI (Magnetic Particle Inspected) and feature Billet Machined Extractors with Black Insert and O-Ring upgrade. The fact that it is a Surface Treatment (Molten Salt Bath) and not a coating gives it better durability and boasts some of the best lubricity and corrosion protection of any finish out there.

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