(1263) AR15 Firing Pin Retaining pin
This replacement firing pin retainer pin (NSN 1005-00-999-1509) Part Number 8448504 is directly compatible with the AR-15, M16, M4 and their variants. This part is machined from steel and is designed to retain the firing pin in place, ensuring consistent and reliable ignition.
The firing pin retaining pin is made to mil-spec standards for use with AR-15 & M16 bolts and bolt carriers.