G&G Cold Resistant Hop Up Rubber Bucking - Green

G&G Cold Resistant Hop Up Rubber Bucking - Green for all AEG types. This is the green winter style G&G hopup unit (non-rotary hop up bucking). Very popular and works perfectly for a soft type. Optimized for use with all non-rotary style chambers. G-10-061 (green type) If you have a Rotary chamber, you must use the blue one for optimal performance.