/> The CMMG 55CA547 is a factory-spec AR-15 bolt catch roll pin engineered for secure, reliable installation of the bolt catch on AR-15 lower receivers. Sized at 3/32" x 1/2", this mil-spec replacement pin provides a precise fit and dependable performance whether you're completing a new build or replacing a worn component. Its durable construction and black finish match standard AR-15 hardware, ensuring both functionality and a clean, uniform appearance.
FEATURES
- Mil-spec 3/32" x 1/2" size for correct bolt catch installation
- Ideal for AR-15 builds, repairs, and part replacements
- Durable construction with a uniform black finish
- Simple, secure installation into standard AR-15 lower receivers
