Description
SCT Nickel Boron Bolt Carrier Group - AR15/M16
$ 99.98
This Bolt Carrier Group comes fully assembled by St. Croix Tactical for your AR15, M16, or M4.
5.56/.223
Nickel Boron
9310 Steel Bolt
MPI Bolt (Magnetic Particle Inspected)
Shot Peened Bolt
Grade 8 Hardened Fasteners
Key Staked per Mil-Spec
Black Extractor Insert
Crane O-Ring
