KG AR/M16 5.56/.223/.300 BLACKOUT caliber complete Black Nitrided Bolt Carrier Groups.
We are having these bolts manufactured to our exacting standards
Nitride QPQ Finish
Shot peened, MPI Tested
9310 Tool Steel Bolt; 8620 M16 carrier
Properly staked 4140 Machined Gas Key fastened with Hardened Grade 8 Fasteners.
Made in the USA
For Orders of 100 or More Please Contact Us for Special Pricing