SHS 12:1 gearset.  These are a great upgrade if you're looking to improve the rate of fire. These are the latest generation with the new stronger 10 tooth bevel gears and redesigned spur and sector gears.

Features:
- Steel CNC machined
- 6 anti-reversal latches for fast back wind arrest
- Balanced sector gear (holes in side with teeth to balance it)
- For use with V2, V3 and V6 gearboxes