ICS stock/replacement Spur gear. In an unlikely event that you were to strip out your spur gear in your ICS MP5 or M4 series airsoft rifle, this is the replacement part you'll need.

If you have one of the older PTW M100 cylinders, you'll eventually need one of these. They also work great for those looking for a little more security with their stock cylinders!

Guarder High Speed Gear Set for AEG's.  DO NOT USE with high power springs.Guarder Part No. GE-02-06

Piston Gear Tooth for ICS piston or piston set. Also compatible with Marui and other brands.

Newly designed for 2006 is the new ICS stock/replacement bevel gear. In an unlikely event that you were to strip out the spur gear in your ICS brand airsoft rifle, this is the replacement part you'll need.

ICS Stock Sector Gear (#3 gear) for the ICS series AEGs.

Prometheus High Speed Gear Set for AEG applications.  Also includes Prometheus shim set.

Prometheus Triple Torque Gear Set for AEG high torque applications.  Includes Prometheus shim set.

Full gear sets contain: The Gears, a piston, and a set of bushings, the other "gearsets" only include the gears. Helical gear sets have a larger surface area that "flat" gearsets, and thus disperse the torque better.

Full gear sets contain: The Gears, a piston, and a set of bushings, the other "gearsets" only include the gears. Helical gear sets have a larger surface area that "flat" gearsets, and thus disperse the torque better.