Hop-Up Unit & Accessories

G&G Cold Resistant Hop Up Rubber Bucking. Blue for AEGs with airsoft Rotary Hopup Chambers.  This is the Blue winter style cold resistant G&...

Features Made from low-temp resistant rubber, perfect for colder climates Improves hopup performance in cold weather Compatible with all TM-spec A...

A performance orientated rotary-style hop-up by G&G for GR16 Combat Machine Series.Compatible with other M4/M16 models as well.