CMMG DETENT RCVER PIVOT/TD SPRING

CMMG Detent/Pivot Spring, Fits AR-15, Silver 55CA581
Since 2002 CMMG has been the leading manufacturer of AR-15 rifles, AR-10 rifles, and trailblazing AR technologies. CMMG offers premium AR-15 and AR-10 rifles, parts, and accessories.