This listing is for 5 breech seals

These seals are easy to replace and commonly wear.

Worn seals can result in loss of power and accuracy.
Choose .177 (4.5mm) or .22 (5.5mm)

Same seals fit following rifles:

Walther Dominator 1250
Umarex 850 inc. Airmagnum
Hammerli 850inc. Airmagnum