This listing is for a new seal kit for the FX M4 Air Rifle / airgun.

Suitable for all versions of the Impact M4 / MK4.

All o rings are included in this kit. There are 2 versions available low power (for UK non licensed 16Joule / 12ftlb models) and Standard / High power.

Select which caliber is required from the dropdown. It is also possible to order the spare o-ring packs for the barrel kits only in the dropdown.