This CMMG detent is the small part that holds the pivot and takedown pins in place in an AR-15 lower receiver. Detents are easy to lose during disassembly or a lower build, so having a spare on hand keeps a project moving. CMMG has built AR-15 and AR-10 rifles and parts since 2002.
- Part: Pivot/takedown pin detent
- Fits: AR-15 lower receivers
- Color: Silver
- Manufacturer part #: 55CA53A
