Aluminum Piston with Bearing and Steel Gear SP-RD704GT 32-position hop-up adjustment with audible

32-position hop-up adjustment with audible click

Invictus MS-2 steel flash hider with black oxide finish

The German company Umarex

ideal for tactical builds

Compatible with the MTW Billet series

Aluminum Piston with Bearing and Steel Gear SP-RD704GT 32-position hop-up adjustment with audibleThese parts are manufactured using a CNC process, improving: 1) piston strength; 2) gear durability; 3) smooth firing with extremely high power. The piston safe working load (SWL) is 1. 9J. 2 rubber rings are included. One rubber ring is used for standard size T. Marui gas cylinders. The other rubber ring is used for ported gas cylinders and Wii Tech gas cylinders.