Bravo Company’s BCM MK2 receiver extension lower group with the BCMGUNFIGHTER Stock Mod-0 in Flat Dark Earth is built around the MK2 receiver extension system, pairing it with the MK2 buffer and the rifle-length M16 action spring for an AR-15/M16-pattern rifle build.

Key features

• MK2 receiver extension system matched with the MK2 buffer and rifle M16 action spring
• BCMGUNFIGHTER Stock Mod-0 in Flat Dark Earth
• Designed for AR-15/M16-pattern upper compatibility for .223 Remington / 5.56 NATO rifle builds
• MK2 receiver extension is approximately 3/4 in longer than a standard 6-position receiver extension

Add this BCM lower group to your rifle build when you want BCM’s MK2 receiver extension setup with a Mod-0 stock in Flat Dark Earth.