We pride ourselves on taking care of our fellow players, not only for their initial purchase and upgrades, but also in the continued maintenance of their paintball gun. You work too hard as it is, why should you work hard to find out what's wrong with your gun? Simply browse to the exact paintball gun you have (if you have questions or can't find it, just give us a call at 877-298-8188), look at the extremely high-resolution schematic to find the part number of the part you need, and you can either enter that in the search field, or just browse until you find it. We also have other reference materials, schematics, user manuals and guides at our Tech Center - Manuals & Schematics.