San Tan Tactical .222 Rem/5.56/.300 Blackout Enhanced Bolt Carrier Group, Black Nitride - STTENHANCEDBCG556

San Tan tactical enhanced bolt carrier group was designed for shooters who demand superior performance weapon components in the heart of their firearm. STT proudly manufacturers the highest quality firearms components in the industry.Carrier Assembly- The flared rear of the enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increase reliability by strategically relocating key bearing surfaces. Made from Case-hardened 8620 steel. The STT enhanced carrier has fewer poi