The KNS Precision bolt catch retaining pin replaces the factory roll pin that holds the bolt catch in an AR-15/M16 lower. It is a cleaner, easier-to-install alternative to the standard roll pin, which can be difficult to drive in without marring the receiver. Finished in black nitride.
- Brand: KNS Precision
- Part number: KNSBOLTCATCHRETAININGPIN
- Fits: AR-15 / M16
- Type: bolt catch retaining pin
- Finish: black nitride
- Material: steel
