OpticsPlanet
Bravo Company MFG MCMR M-LOK Compatible Modular Rail 8 inch Steel Barrel Nut/Hardware/Sling Mount Black BCM-MCMR-8-556-BLK
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From OpticsPlanet
Bravo Company MFG MCMR M-LOK Compatible Modular Rail 8 inch Steel Barrel Nut/Hardware/Sling Mount Black BCM-MCMR-8-556-BLK. This proprietary patented mounting system (US Patent 8904691) includes a mechanical index to the 12:00 rail and positions mounting hardware to mitigate the movement caused by heat generated by the weapon system.