5.56 Bolt Carrier Groups
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 
 Features: 
 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
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