Knights M16/AR15 Chrome Sand Cutter Bolt Carrier Assembly

Factory Knights SR-15 / SR-16 chrome bolt carrier group assembly for your AR15, M16 or M4 is designed to exceed all Mil Spec standards, the hard chrome finish provides excellent resistance to use wear. Unique machined "sand cutter" grooves allow the bolt carrier to move freely if sand or debris is introduced to your weapon.

Accepts any standard mil-spec AR15 bolt. Compatible with full-auto or semi-auto receivers. MPI tested to give you ultimate confidence in your weapon system.

100% Made in the USA