A complete set of replacement o-rings for your FX Impact.
With this set of o-rings you will be able to replace all the o-rings mentioned on the factory exploded view of the FX Impact MK3, plus all o-ring mentioned on the factory explode view of the FX Impact Barrel Kit. Every set contains all oring for all calibers.
These sets are suitable for all models factory regulators (extra specific o-rings are included)