Strike Industries


Introducing | The CRUX Handguard 

The CRUX handguard is an ultra light weight “Key Mod” rail for the MR556 and HK416 rifle made from Strike Industries.


CRUX KeyMod Handguard


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.





– 1 x CRUX Handguard
– 1x Screw set


– 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




The rail is available as a 9, 13,5 and 15 inch version at their website: where you can find lots of detailed pictures as well.


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