5 x Hatsan Invader Breech / Barrel Seal O Ring
Most common seal to be replaced on the Hatsan Invader air rifle.
Damaged breech seals can be a source of inaccuracy and lack of power.
Here you can buy a pack of 5, please select your caliber .177 (4.5mm), .22 (5.5mm), .25 (6.35mm).
£4.73