Knights Armament Company AR-15 URX 4 Upper Receiver Extending Free Floating Barrel System Forend Assembly KeyMod 13" Length Aluminum Anodized Black 30736

Knight's Armament Co
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The new and improved Upper Receiver Extending (URX) just got better with the new generation 4 forend assemblies. The URX 4 features the new KeyMod mounting system and is built stronger and more stable with it's unique one-piece construction making it one of the most lightweight configurable systems currently available.

Features and Specifications:
Manufacturer Number:30736
KeyMod equipped mounting system
One-piece aluminum construction
Anodized matte black finish
13" length
13 ounces
1.55" Inside diameter
1.68" outside diamter (side-to-side)

Each URX 4 Rail comes complete with an installation wrench, shim kit and instructions.


Item#: ARR-17-164