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BCM KMR ALPHA 15 KeyMod Free Float Handguard


Manufactured from aluminum, it is lightweight yet durable. Also featuring a proprietary patent pending mounting, indexing and lock up system that mitigates 12:00 rail movement under heat generated from the barrel nut.



  • Handguard alone weighs 8.1oz
  • 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 15.0"
  • Mounting hardware, 2.2oz, for a total of 10.3oz on a very long 15” rail
  • The KMR Alpha is hardcoat anodized for corrosion resistance as well as to maintain a non-reflective finish.
  • 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


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