Description
The LBE Unlimited AR15 Bolt Carrier Gas Key is a precision-machined replacement gas key designed for .223/5.56 AR-15 bolt carrier groups. Manufactured from high-strength steel with a durable manganese phosphate finish, this gas key ensures proper gas sealing and reliable function of the bolt carrier group. It comes complete with screws for a secure, mil-spec installation.
A direct replacement part ideal for BCG repairs, maintenance, or completing new bolt carrier group assemblies.
Features
- Precision machined gas key for AR-15 bolt carrier groups
- Manganese phosphate finish for excellent corrosion resistance and wear protection
- Ensures proper gas delivery and carrier function
- Direct replacement for factory gas keys
- Ideal for BCG maintenance, repairs, or new builds
- 100% Made in the USA









