The Sadlak Industries A2 Detent is a precision-manufactured replacement component designed specifically for AR-15 rifles. This essential small part ensures proper function and reliability of your firearm's operating system.Sadlak Industries A2 DetentCompatible with AR-15 rifle platformsPrecision-manufactured for reliable performanceEssential replacement part for maintenance and repairsSKU: 8448573 UPC: 855981008541Perfect for gunsmiths AR-15 enthusiasts and owners performing maintenance or repairs on their rifles. Ensures continued reliable operation of your firearm.