Description:
This is 416 style conversion kit for Western Arms M4 Gas Blow Back series. Also G&P can install.
The package include:416 style upper & lower receiver set(Aluminum), Steel Outer Barrel & Barrel Nut, Aluminum Front Rail, Steel Magazine Catch, Steel Safety Selector, Aluminum 416 style Bolt Carrier, Aluminum Charging Handle, Steel Ejection Portcover, Steel Gas Block & Steel Plunger Assembly.
The receiver and front kit made by CNC.
Weight: 985g.
