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This bolt assembly is machined from the correct mil-spec Carpenter No. 158® steel, shot peened for increased strength, includes tool steel machined extractor and ejector, BCM Extractor Spring, and is HPT (High Pressure Tested) and MPI (Magnetic Particle Inspected).

Available through Fulton Armory with optional Matte (bead blast) finish. 1-8 and 1-12 twist options.

Available through Fulton Armory. 223 Hybrid Match, 1-9 Twist.

Available through American Defense. 223 Wylde, 1-8 Twist.