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.
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.
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.
Platform Compatibility: AR-15 / M16 / M4
Component Type: Firing Pin
Caliber Compatibility: 5.56 NATO / .223 Remington AR-15 Bolt Carrier Groups
Pattern: Mil-Spec / Factory-Style Replacement
Material: Hard Chrome Steel
Finish: Hard Chrome
Color: Silver
Construction: One-Piece Steel Firing Pin
Installation Location: AR-15 / M16 Bolt Carrier Group
Function: Transfers hammer impact to the cartridge primer for ignition
Profile: Standard AR-15 / M16 Firing Pin Profile
Corrosion Resistance: Hard Chrome Surface Helps Resist Corrosion and Wear
Wear Resistance: Hardened Steel Construction Designed for Repeated Cycling
Application: Replacement for a Worn, Damaged, or Missing AR-15 / M16 Firing Pin
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