New video from MadBull Airsoft about their X-Factor pistons... "Madbull's latest video introduces our new line of full-teeth and half-teeth X-Factor Pistons designed for performance AEGs. The X-Factor Piston is now available for order by retailers from our distributors JAG Precision (USA) and RedWolf Airsoft (Asia).

FEATURES:

• Nylon + Fiber Reinforced Composition
• 7/15 Heat Treated Steel Teeth
• Segmented Piston Guide for reduced friction and maximum durability
• For performance AEG upgrade.

For more information, click here."