This listing is for an aftermarket full o ring seal kit

Fits:
Umarex 850 inc. Airmagnum
Hammerli 850inc. Airmagnum
RWS 850 inc. Airmagnum

This kit is suitable for both .22 and .177.
Please note the seals are different to the original (non manufacturers original parts) however they are tried and tested.
9 seals in total for the kit.

Please note: Generic Picture