Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT – KAC URX4 10.75 Inch Keymod

The Rock River Arms 16 Inch - MID - CHROME-LINED - LIGHTWEIGHT – KAC URX4 10.75 Inch Keymod Rail upper features a Rock River Arms 16 inch CMV, chrome-lined, lightweight profile barrel, chambered in 5.56 NATO with a 1:9 twist, midlength gas system, and a 1/2-28 threaded muzzle. Built on a milspec flat top receiver with a Knight’s Armament URX4 10.75 inch Keymod rail, low profile gas block and an A2 flash hider.

These are assembled and test fired by PK Firearms.

Includes M-16 bolt group assembly and forged charging handle. 

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