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- AP Piston Lg O-ring (10 Pack) - 248135
AP Piston Lg O-ring (10 Pack) - 248135
This is a 10 pack of piston o-rings for an AP gun. These o-rings are all black Viton. It's designed to handle any pressure or temperature that a gun can give it. Their only weakness is solvent. Lets face it, it's better to replace you o-rings every time you clean your gun instead of putting it back together, hoping all your
o-rings are still good!