SPECIFICATIONS

 Paintball Hunting Army Accessories Upgrade Kits High Speed Torque Gears Ported Solid Cylinder Piston Silent Mushroom Head Ver.3

Product Name: Gearbox Upgrade Set (Tune up Kit)

Model: 6 choices

Style:High Speed/ torque

Fit: AK ( Version 3 gearbox)

Use：Paintball shooting hunting

Kit package list(in total 7 parts)

1. 1 piece cylinder(ported or solid which depends on buyer's choice)

2. 1 piece SHS 14 or 15 full Teeth or 14 half teeth piston(also depends on buyer's choice)

3. 1 set of gears (drive raton 13:1, 16:1,18:1,32:1,100:200,100:300)

4. 1 piece cylinder head(Depending on the choices)

5. 1 piece piston head (Depending on the choices)

6. 1 piece SHS AK Nozzle  

7. 1 piece bearing Spring Guide(version 3)