XOS-H™ in KeyMod

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Product Overview

*Sold as ONE Scale*

XOS-H™ is compatible with these products.

XOS-H™ 3 sided RaiScales offer twice the grip in the same mounting footprint and feature 45 degree wings and an accessory cutout. XOS-H™ acts a Hilt surrounding the accessory giving full 360 degrees of seamless integration. These KeyMod grip scales tightly wrap your rail for one seamless grip area. The accessory cutout accommodates our Anchor® , Karve®, Karve-P®, RSB™ and additional future RailScales® products. XOS-H™ are sold individually and will accommodate most of the popular handguard rail systems. *XOS-H™ will not fit every rail. Please read "Type Info" Tab to see if our rail grip will fit your AR-15 rail system.

Type Info:

Type 01 Fits Rails with mounting flats of 0.678" or narrower including the following.

  • PWS Mod 1/Mod 2 rails
  • Bootleg Inc. Rails
  • AAC Teardrop
  • Geissele 4 sided rails (haven't confirmed 7 sided yet)
  • Daniel Defense Slim Rail
  • Midwest SSK/SSM
  • Midwest G3KL/G3ML
  • CMMG Rails Keymod
  • Dakota Tactical HK Series Keymod
  • Vltor Freedom Rail
  • Parker Mountain Machine Scar Rails
  • KNS Bren 805 Rails
  • HK Parts HK Rails
  • SLR AK ION Rails
  • Sig MCX Suppressor Compatible Rails
  • Fortis Night Rails

Type 02 (Not currently available) Fits:

  • Noveske NSR, NHR, NSRM
  • SMOS Arms
  • KAC URX 4 Keymod
  • And many more


  • Width: 1.165"
  • Length: 6 KeyMod Holes
  • Thickness: 0.125"
  • Weight: 0.6 oz Ea
  • Length: 6 Hole - 4.7"
  • 416 stainless nuts


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