Optimize your AR-15 assembly with the CMMG 55AFF51 AR15 Receiver Detent 10PK Secure Assembly. Precision-engineered from high-quality materials, these detents ensure robust performance and reliability in your firearm. Designed specifically for AR-15 receivers, this 10-pack provides an ample supply for your builds or repairs. Trust CMMG's commitment to superior craftsmanship and innovation in every piece. Detent for Pivot/Takedown Pins Fits AR-15 Receiver 10 Pack for extensive use Choose CMMG for dependable components that enhance your shooting experience.