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Manufactured from 100% aluminum, the BCM KMR Alpha is lightweight yet durable featuring a proprietary patent pending mounting, indexing and lock up system that mitigates 12:00 rail movement under heat generated from the barrell nut.


The KMR Aplha has a non-reflective hardcoat anodized finish for corrosion resistance and durability


The BCM KMR Alpha also allows for a larger range of modularity offering 4 different offset mounting positions between traditional 3,6,9, and 12:00 positions.


Includes BCM® KeyMod™ Sling Mount

Bravo Company BCM - KMR Alpha KeyMod

  • 1.3” Inner Diameter

    1.5” OUTSIDE flat to flat.

    Handguard flares forward (towards muzzle end) at the 3 and 9 O'clock positions approximately 1/4" actual length when measured to flare is 13.4"


    Total weight of rail and mounting system is 9.9oz

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