Silverback MDRX 60 degree Hop Up AEG Flat Rubber

Silverback MDRX 60 degree Hop Up AEG Flat Rubber Rubber Construction AEG Airsoft Hop Up Rubber 60 Degree Hard This rubber can fit inside most of airsoft guns using AEG hop-up rubber 5 dot lips design for bbs feeding, flat contact Nub, similar to Silverback SRS-TAC41 and GBB hop-up rubbers Suitable For Silverback MDR-X Series Electric Gun AEG Airsoft Rifle