Quote Originally Posted by nige346 View Post
These are the sizes you'll need

Valve seal 6.0 x 2 xxxx OPN 2490021
Bolt 4.0 x 1 OPN 2472309
Barrel seals 9.0 x 1.5 OPN 2472295
Cylinder Seal 14.0 x 3 xxxx OPN 2459817
Cylinder fitting 15.0 x 2 OPN 2476266

OPN = Original part number
xxxx = These must be Polyurethane as in constant CO2 contact
Many Thanks for the information. I have a couple of cylinders i need to reseal. at the moment I am using my good CP2 cylinders on all the CP series pistols they fit on.
I looked at the seal force website and they didn't seem to do any polyurethane o rings at least not on there eb-y store