AR-15/M16 Mil-Spec 5.56 NATO Firing Pin, Hard Chrome Steel Replacement

AR-15/M16 Mil-Spec 5.56 NATO Firing Pin, Hard Chrome Steel Replacement

This firing pin is a one-piece, hard chrome steel replacement built to the standard mil-spec profile for AR-15/M16/M4 bolt carrier groups running 5.56 NATO and .223 Remington. It transfers hammer impact to the cartridge primer for ignition, with a hard chrome surface finish for corrosion resistance and hardened steel construction built for repeated cycling.

Key Features

• One-piece hard chrome steel firing pin
• Standard mil-spec/factory-style AR-15/M16 profile
• Compatible with 5.56 NATO and .223 Remington bolt carrier groups
• Hard chrome finish for corrosion resistance
• Hardened steel construction for repeated cycling
• Replacement for worn, damaged, or missing firing pins

Construction and Function

This firing pin is machined as a single piece of hardened steel, finished in hard chrome for added corrosion and wear resistance. It follows the standard AR-15/M16 firing pin profile and installs into the bolt carrier group, where it transfers hammer impact to the cartridge primer for ignition.

Compatibility

This firing pin is compatible with AR-15, M16, and M4 bolt carrier groups running 5.56 NATO or .223 Remington.

Follow all manufacturer instructions and safe handling practices.

Ensure compliance with all applicable federal, state, and local laws.