Stag Arms AR-15 Full Auto Bolt Carrier Group - Nickel Boron

This bolt carrier assembly is designed to work with any AR-15 rifle, upper half, or barrel designed for right hand ejection in the 5.56/.223 caliber. The nickel boron coating has increased lubricity and a low friction co-efficient; therefore, the life expectancy of a firearm will be greatly increased due to reduced friction wear.

Specifications:

• Coating: Extremely Durable Nickel Boron Coating
• Bolt carrier material: 8620 steel
• Bolt: 5.56/.223 Right-Handed Bolt assembly
• Included parts: Bolt carrier, bolt assembly, cam pin, firing pin, and firing pin retaining pin
• Design: M16 carrier with a shrouded firing pin
• Staking: Proper mil-spec staking of the gas key