ASG Ultimate CNC Gear Set (12.5:1 / 13.5:1 / 16.5:1) Ratio:18.5:1 and is powered by two

and is powered by two CR123 batteries for increased run-time

rear sight is adjustable

2 stage trigger

When it comes down to accuracy

PTS ERG series

ASG Ultimate CNC Gear Set (12.5:1 / 13.5:1 / 16.5:1) Ratio:18.5:1 and is powered by twoDesigned to offer uncompromising performance to any custom airsoft build, the Ultimate CNC range of gears provide the perfect gearbox elements for your AEG each gearset is precision engineered to safely deliver the precise rate of fire you require from your replica. The latest addition to the Ultimate upgrade parts series consists of a selection of CNC crafted airsoft gears, specially engineered for peak performance and using state of the art CNC