SHS 18:1 gearset.  These are a great upgrade if you're just looking to keep the same rate of fire as the stock. 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