Arrow Arms HK416A5 CNC Aluminum Conversion Kit for Marui M4 MWS GBB

Arrow Arms HK416A5 CNC Aluminum Conversion Kit for Marui M4 MWS GBB CNC Aluminum Construction Suitable For Tokyo Marui M4 MWS Series Airsoft Gas Blow Back GBB Rifle Package Include: Upper Receiver & Lower Reciver (Engraved Realistic Marking) 20mm Picatinny Rail System RIS Free Float Handguard With Built-in Flip-up Front Sight Metal Outer Barrel With Dummy Gas Block & Gas Tube Metal Stock Tube With Fire Selector, Mgazine Release, Bolt Catch & Parts...