The Rock River Arms 10.5 Inch - CHROME LINED - Troy 7.2 Inch Bravo Rail Upper features a Rock River Arms 10.5 Inch, CMV, chrome-lined, HBAR barrel, chambered in 5.56 NATO with a 1:7 twist, carbine length gas system, front sight post with sling swivel and bayonet lug, and a 1/2-28 threaded muzzle. Built on a Rock River Arms forged flattop receiver with a Troy 7.2 Inch Bravo Rail and an A2 flash hider.
These are assembled and test fired by PK Firearms.
Complete with Rock River Arms AR-15 bolt carrier group and forged charging handle.
ALL NFA RULES APPLY. CLICK HERE FOR MORE INFO
FOR MORE INFORMATION ABOUT PK FIREARMS CUSTOM UPPERS PLEASE CLICK HERE