Description
|
AR15 Billet Titanium Bolt Carrier Group
Billet titanium bolt carrier with a Nickle Boron Gas Key & Bolt assembly. These start as a solid piece of titanium and then are machined, polished, and... |
Premium quality Nickel Boron 5.56 Bolt Carrier Groups
These are the best you'll find on the market and fully polished prior to nickel boron coating.
Features:
MPI Bolt (magnetic particle... |
.308 Bolt Carrier Group with Black Nitride Coating
MPI Bolt (Magnetic Particle Inspected)
Carpenter 158 steel bolt (Black Nitride)
Shot peened firing pin
Grade 8 hardened... |