- Nylon & Fiber Reinforced Composition Construction & Light Weight
- 7/15 Heat Treated Steel Teeth
- Segmented Piston Guide for Reduced Friction & Maximum Durability
The Mad Bull X Factor Piston is an awesome new upgrade available from Mad Bull Airsoft. It is constructed of a lightweight, high quality combination of nylon and a fiber reinforced composition. It features 15 teeth total, 7 of which are heat treated, a segmented piston guide, and three lubricant grooves for reduced friction and maximum durability. This piston is designed for a performance AEG upgrade.