Nine Ball Enhanced Magazine Lip Seal for Marui Model 17/ 18C/ 26/ 26 Advance (2pcs)

Nine Ball Enhanced Magazine Lip Seal for Marui Model 17/18C/26/26 Advance (2pcs) Rubber Construction Suitable For Tokyo Marui Model 17/ 18C/ 26/ 26 Advance GBB Pistol reduce gas passage resistance with the aero shape inside made from cold-resistant material to reduce gas leakage special surface treatment and material with smooth surface