About this bolt carrier group
A CMMG firing pin for the Mk3 rifle platform. The firing pin transfers the hammer's energy to the primer, and a worn or damaged pin can cause light strikes. This factory CMMG part replaces the pin in Mk3 (AR-10 style) bolts.
Specifications
- Brand: CMMG
- Fits: AR-10
- Manufacturer Part #: 38BA4D3
- UPC: 815835012537
Buying from WBT Guns
- Delivery: Ships to your door anywhere in the United States, or pick it up free at our La Mesa store.
- Payment: Pay in full or finance with Credova.
- Questions: Fitment or compatibility questions? Call (619) 667-9453 or email sales@wbtguns.com. FAQ
WBT Guns is family-owned in La Mesa, California, and has served shooters since 2012.
A note on accuracy. Specifications, fitment and images come from the manufacturer and can contain errors or change without notice. If a detail matters to your purchase, call us and we will confirm it before you order. Any compliance notes are general information, not legal advice; California and local laws change, and the rules that apply depend on the firearm the part goes on.
