Full o ring kit for the Eunjin Sumatra 2500 model air rifle.

This kit includes all o rings for all versions of this airgun; MK1, MK2, MK3 in both carbine and rifle versions.

Suitable for the following calibers; .177 (4.5mm), .22 (5.5mm), .25 (6.35mm)

There will be more rings than required (in order to be able to service all versions of the rifle) just use the ones required.