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