Description
Full o ring seal kit for the FX Biathlon air rifle.
This re-seal service kit includes all o rings in the airgun including magazine o rings and filling probe o rings.
The kit includes all washer seals for both .177 (4.5mm) and .22 (5.5mm).
Provided with the kit is a size guide parts sheet which you can use to work out which seal goes where (along with our diagram on the rifle page)