The CMMG Stainless Steel Firing Pin (brand part no. 55BA492) is a genuine replacement firing pin machined from stainless steel, built to CMMG’s factory specifications for AR-platform bolt carrier groups. It’s a simple, direct-fit part for a shooter replacing a worn, damaged, or lost firing pin rather than sourcing a full replacement bolt. Stainless construction stands up to repeated firing cycles without the corrosion concerns a lesser material might introduce over time.

Key Specifications

• Machined from stainless steel.
• Direct-fit replacement for a worn, damaged, or lost firing pin.
• Built for AR-platform bolt carrier groups.

Frequently Asked Questions

What is this firing pin made from? Stainless steel.

Is this a genuine CMMG part? Yes, it’s manufactured by CMMG to factory specifications.

Buy the CMMG Stainless Steel Firing Pin

Replace a worn firing pin with a genuine CMMG part. Order it from our CMMG lineup, part of our rifle parts selection, at our Lubbock, Texas gun shop for fast, direct shipping.