Brownells BRN-4 HK416 Style Upper 8" 5.56 NATO
Brownells BRN-4 HK416-style upper receiver assembly in 5.56x45mm NATO (marked "Brownells BRN-4" and "5.56x45mm NATO"). This upper receiver does not have all parts necessary for completion; parts will need to be sourced in order to build. Provided parts compatibility is not guaranteed.
Included with this lot is a Maxim Defense collapsing brace and a TangoDown BattleGrip rifle grip (Model BG-18).

