ULTIMATE Trigger - AK Series

Prometheus springs and parts are made by LayLax. LayLax is a manufacturer of some of the best airsoft upgrade parts in the world.   Every Promethe...

A set of 8mm bearings from ULTIMATE. These bearings are precision made in Japan from solid steel. The 8mm over-sized design minimises friction an...

Precision CNC manufactured cylinder heads from ULTIMATE. Colour coded for easy recognition, this head is suitable for version 2 gearboxes. Double ...

CNC Aluminum Advanced Trigger is specially designed for fast response, smooth and consistent trigger pull on Ver. 2 Gear Box of M4/M16 series Air...

A quality set of shims from G&P, in two sizes. The set includes x20 0.10mm shims and x20 0.20mm shims. Builds a tight & durable gearbox. T...