The Tippmann Valve Spring. Because you never know when you'll need it. Spare parts are handy. Fits A5 or X7 series.
This product is used in the following guns: A5 Basic, A5 Response, A5 E-Grip Electronic, A5 Stealth, X7 Basic, X7 Response, X7 E-Grip Electronic, Pro Carbine.
The Tippmann Part Number for this product is PA-32.