High Performance Gear Set by Bravo Airsoft.  Heat treated and tempered steel ensure durability and smoothness. It will also lower the burden of motor and battery during high speed and high power use.  Suitable for Version 2, 3 and 6 gearboxes.*Professional installation recommended.

Classic Army Original replacement gear set for most Classic Army AEGs.  This is the stock gear set for most Classic Army guns.

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/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.

Systema's precision anti-reversal latch for AEG gearboxes.  Works with most gearboxes and gearsets.

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!

Upgrade your AEG with reinforced gears. This flat ratio Systema Genuine Type gear set is a perfect upgrade option for Tokyo Marui AEG's when you want you use an M120 or lower spring set.

High Performance Gear Set by Bravo Airsoft.  Heat Treated and steel tempered to ensure durability and smoothness. It will also lower the burden of motor and battery during high speed and high power use.  Compatible with most AEG's.*Professional installation recommended.

Classic Army Original Replacement sector gear for Classic Army gearboxes.

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.