KNS Precision PERMA Pin AR-15/M16 Firing Pin Retaining Pin
Details
The KNS Precision PERMA PIN Firing Pin Retaining Pin replaces the standard cotter pin used in MIL-SPEC bolt carrier groups with a solid pin as originally designed by the great Eugene Stoner. The original cotter pins can be finicky to install, but the PERMA Pin is a fast and simple drop-in upgrade that makes reassembling your bolt carrier group a breeze. Each pin has been precision machined with high strength tool steel to ensure a reliable and long-lasting improvement you can depend on. Whether you have a single AR-15 or many, the PERMA Pin is a small upgrade that you'll appreciate every time you clean your rifle!
Features:
- Solid machined tool steel
- Snag free flat-cap design
- Durable finish
- Fast and easy drop-in replacement
- Replaces the firing pin retaining cotter pin