Stag now manufactures their rifles and upper halves with these M16 bolt carrier groups
M16 carrier with a shrouded firing pin. So, it functions as a standard semi-auto AR-15 bolt carrier group in semi-auto rifles.
The salt path nitride process (also known as QPQ) creates a much harder surface that is, easy to clean, will run with less than ideal lubrication and resists wear for a lasting corrosion resistant durable finish.
For
5.56mm/.223 Remington/ 300 BLK calibers
Proper mil-spec staking of the gas key
Fully compatible with any any standard AR-15 upper, not just Stag brand uppers
Includes the Bolt carrier, bolt assembly, cam pin, firing pin, and firing pin retaining pin
Bolt carrier -- 8620 steel
Part No. STAG300858
UPC 811546026559