Knight's Armament (KAC) 30091-1 Chrome Sand Cutter Bolt Carrier & Key Assembly
Knight's Armament 30091-1 bolt carrier and key assembly featuring Sand Cutter grooves for improved reliability in adverse environments. This is a full-auto profile carrier with a hard chrome finish for durability and ease of cleaning.
Compatible with the Knight's Armament E3 bolt as well as AR-15/M4 TDP bolts. Includes the original box.




