The Reliability Enhanced Bolt Carrier Group is a 5.56mm full-mass, full-auto rated M16/M4 bolt carrier group manufactured in Geissele’s state-of-the-art manufacturing facility in North Wales, PA.
- Features a forged bolt manipulates the grain structure of the metal and yields a bolt capable of 5 times the life of a mil-spec bolt.
- M16 cut carrier
- Carrier Material: 8620 Steel
- Bolt Material: Carpenter 158
- Finish: Nanoweapon (Chrome-Nitride)
- Caliber: 5.56mm
- Maximum corrosion and wear resistance.
- Each bolt is then rigorously inspected.
- The carrier features a properly torqued and staked, chrome-lined, gas key.