Strike Industries CRUX KeyMod Handguard

Item Code: CRUX-KM

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The Crux Handguard is a ultra light weight Key Mod rail for the MR556 and HK416. Weighing in at a fraction of the original rail. The Crux handguard features Key Mod sessions at the 3, 6, and 9 o'clock positions. If you're the person that lives by the saying ounces equals pounds and pounds equal pain this is the rail for you.


  • Ultra light weight
  • Key mod slots at 3, 6, and 9 o'clock
  • No Specialized tools required for installation
  • Mil Spec picatinny continuous top rail

  • Specifications:

  • Width: 2"
  • 9" Rail Weight with Screw: 10.2 oz.
  • 9" Rail Weight without Screw: 9.8 oz.
  • 13.5" Rail Weight with Screw: 14.6 oz.
  • 13.5" Rail Weight without Screw: 14.2 oz.
  • 15" Rail Weight with Screw: 15.9 oz.
  • 15" Rail Weight without Screw: 15.5 oz.

  • Includes:

  • 1 x Crux Handguard
  • 1 x Screw set

  • Strike Industries CRUX KeyMod Handguard
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    WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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