AAP01 Black Mamba CNC Upper Receiver Kit B

AAP01 Black Mamba CNC Upper receiver kit B

It's solid CNC' Aluminium with a huge picatinny rail along the top and 5-point raiil under the fronst section. 

Black Mamba Upper receiver also includes iron sights, adjustable at the rear and a compensator.

It converts the pistol into an assault rifle with blowback making it extremly nice and cool finish