This listing is for 5 breech / barrel seals for the Air Arms s300, s310, s400, s410, s500, s510, TDR air rifle / airgun.

These seals are easy to replace and commonly wear.

Worn seals can result in loss of power and accuracy.
Choose .177 (4.5mm), .22 (5.5mm) or .25 (6.35mm) caliber