KNS Precision AR-15 Perma Firing Pin Retainer

Description

The KNS Precision Perma firing pin retaining pin is a direct replacement for the standard cotter pin used in AR-15 bolt carrier groups (BCG). It secures the firing pin within the carrier and is offered in a black finish. Constructed of steel, the part is intended for AR-15 BCGs and is explicitly not compatible with .308 bolt carriers. This compact replacement is designed for routine maintenance and upgrades to the bolt carrier assembly.

Key Specifications

• Made from steel for durability.
• Finished in black for a low-profile appearance and corrosion resistance.
• Designed to fit AR-15 bolt carrier groups (BCG).
• Does not fit .308 bolt carriers, per the product details.
• Replaces the standard cotter pin found in the bolt carrier to retain the firing pin.
• Classified as a Bolt Carrier Group part accessory.
• Weight listed as 0.1 lbs in the product details.
• Product is marketed as a Perma-style firing pin retainer for secure retention.

Simple, dependable, and made from steel, this Perma firing-pin retaining pin streamlines maintenance and adds a durable retention solution for AR-15 bolt carrier assemblies. Its black finish keeps the appearance discreet while resisting wear in normal service. Keep this compact part in your maintenance kit to ensure secure firing-pin retention during routine use and upkeep.