Home / New Products / Umarex Co2 Magazine Screw “EMG Helios Noveske N4 M4 MWS Gen 3 Gas Magazine by Double Eagle 35 Rounds – Black” has been added to your cart. View cart Umarex Co2 Magazine Screw£999 Out of stock Categories: New Products, Umarex Product ID: 128209 Description Description Umarex Co2 Magazine Screw Umarex Co2 Magazine Screw