Geissele Automatics Reliability Enhanced Bolt Carrier Features The Geissele Automatics Reliability Enhanced Bolt Carrier is designed specifically for 5.56 rifles that need a dependable full auto rated bolt carrier group under demanding conditions. Every carrier is high pressure tested and mag particle inspected before leaving the factory ensuring each unit meets strict quality standards before it ever reaches a customer s rifle. The Nanoweapon coating applied across the carrier maximizes resistance to corrosion and wear extending service life even under heavy round counts. The chrome lined gas key is properly torqued and staked at the factory eliminating a common point of failure found in lower quality carrier groups. Extended upper rails machined into the carrier body provide significantly greater stability as the carrier cycles through the receiver extension which in turn dramatically improves feeding reliability under rapid fire. This attention to tolerance and surface treatment reflects Geissele s broader reputation for building some of the most reliable AR components on the market. The black finish matches most factory and aftermarket AR builds making installation into an existing rifle straightforward. For shooters who want a drop in reliability upgrade backed by rigorous testing the Geissele Reliability Enhanced Bolt Carrier is a smart investment available for sale at GrabAGun. Geissele Automatics Reliability Enhanced Bolt Carrier Specifications Manufacturer: Geissele Automatics Model: Reliability Enhanced Type: Bolt Carrier Group Color: Black Description: Bolt Carrier and Gas Key Compatible Hosts: 5.56 AR-15/M4/M16 Available At: GrabAGun