BCM Gunfighter Lower Group w/ MK2 Extension & MOD-1 SOPMOD — 5.56

This Bravo Company Mfg (BCM) Gunfighter lower receiver group is a complete, assembled AR-15 lower built around the MK2 receiver extension and BCM Gunfighter MOD-1 SOPMOD stock. It ships configured to use the MK2 buffer and rifle M16 action spring and is intended for integration into a .223 Rem/5.56 NATO AR-15 build. The MK2 receiver extension provides additional length of pull compared with a standard 6-position extension.

Key Specifications

• The caliber is .223 Rem/5.56 NATO.
• The action is Semi-Auto.
• The color/finish is Black.
• The product type is a Complete Lower Receiver.
• The stock type is BCM MOD-1 SOPMOD.
• The unit is delivered Assembled.
• The make/model designation is AR-15.
• Included accessory is the BCM MKS RMS-M1TO.
• The finish is listed as Black.
• The MK2 receiver extension is approximately 3/4 inch longer than a standard 6-position extension.

This lower provides a dependable foundation for an AR-15 build, pairing BCM’s Gunfighter ergonomics with an extended MK2 receiver extension and the MOD-1 SOPMOD stock to accommodate a wider range of shooter preferences and loadouts. It is suited for range work, competition platforms, or duty-oriented builds where a robust, ready-to-install lower is required.