The Cs Mechanical kit for the Firststrike XP & FSC paintball pistols

The updated mechanical kit includes the following:
Cs Bolt spring (gen4)
Cs max hold sear spring
Cs red Detents
Fireing pin oring x 2
Airchamber bumper (to support the standard bumper)
Cs upgraded triger frame spring replacment kit
Triger to triger arm holding oring