The CMMG Mk47 Bolt Carrier Group (brand part number 76BA4A3) is built specifically for the CMMG Mk47 platform.

Key Specifications

• Built for the CMMG Mk47 platform.
• Complete bolt carrier group assembly.
• Sold as a direct-fit replacement or spare BCG.

Frequently Asked Questions

What platform does this bolt carrier group fit?
The CMMG Mk47.

Is this a complete BCG?
Yes, it’s sold as a complete bolt carrier group.

Buy the CMMG Mk47 Bolt Carrier Group

Keep a proper-fit spare BCG on hand for your Mk47 build. Ships fast from a Lubbock, TX gun shop, part of our CMMG lineup in our AR15 bolts selection.