Geissele's Reliability Enhanced Bolt Carrier Group features their Stressproof Bolt for enhanced durability and consistent performance in 5.56 NATO rifles.
Geissele Automatics has engineered this bolt carrier group with a singular focus: maximum reliability under demanding conditions. This is not a marginal improvement—it is a purposeful enhancement of the fundamental component that cycles your rifle.
The bolt carrier group is the heart of your rifle's action. A marginal carrier will produce marginal results. Geissele's Reliability Enhanced design ensures that when you need your rifle to function, it will function. This is the kind of component that separates adequate from dependable.
Designed for 5.56 NATO platforms. Drop-in installation in most direct-impingement rifles. Black finish.