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...