Silverback 80 degree Hop Up AEG Flat Rubber For MDRX AEG Airsoft

Silverback 80 degree Hop Up AEG Flat Rubber For MDRX AEG Airsoft ?AEG? type, flat hop-up rubber, 80? Initially designed for the MDRX hop-up, this rubber can fit inside most of airsoft guns using ?AEG? hop-up rubber. 5 dot lips design for bbs feeding, flat contact patch, similar to SRS-TAC41 and GBB hop-up rubbers Red colour, 80? hardness. Suitable For Silverback MDRX AEG Airsoft Rifle