Geissele 5.56mm Reliability Enhanced Bolt Carrier Group 05-2993

The Geissele 5.56mm Reliability Enhanced Bolt Carrier Group 05-2993 is a full-mass, full-auto rated M16/M4 bolt carrier group designed for superior performance and reliability. Manufactured in Geissele's state-of-the-art facility, this carrier group features a properly torqued and staked, chrome-lined, nano-coated gas key. The extended upper rails provide greater stability and dramatically increase feeding reliability. Coated with Nanoweapon technology, the carrier offers unmatched corrosion and wear resistance.