A great pack of various size rubber o-rings for Raven EU17 & EU18 magazines.
Replacing o-rings may require specific valve tools (sold separately) to sucessfully replace this part and keep your gas magazine in tip top shape.
We recommend this product is only fitted by experieced or qualified airsoft technicians. Incorrect installation could lead to damage or failure not covered by the warranty.
Platoon Stores offers a fitting/upgrade/downgrade/maintence service for most airsoft rifles and pistols, to have this product fitted please contact us for more details.