KNS Precision PERMA AR-15 Firing Pin Retaining Pin for Bolt Carrier Group

The KNS Precision AR-15 Firing Pin Retaining Pin by KNS Precision is a Black, all-metal AR-15 Firing Pin Retaining Pin designed to secure the firing pin within the bolt system. Engineered as a PERMA pin, this part blends precision machining with durable materials to deliver reliable retention under demanding firing conditions, making it a trusted upgrade for rifle enthusiasts and professional shooters alike. The description reflects its role as a dedicated AR-15 firing pin retaining pin, crafted to fit standard AR-15 bolts and bolt carrier group assemblies while maintaining a clean, streamlined profile that won't interfere with cycling or timing. Ideal for builders and maintenance swaps, the PERMA pin enhances bolt security without adding unnecessary complexity, allowing for quick, secure field servicing and dependable performance across a range of shooting environments. With a focus on compatibility and durability, this component supports consistent lockup and firing pin alignment, contributing to predictable ignition and smooth operation in modern sporting rifles. This part blends practical design with dependable materials to support long-term rifle performance.