Internal Parts / Upgrades

Madbull Airsoft AEG 60° Rubber Hop Up Bucking with Nub.Why 60 Degree? 60 degree rubber is softer than normal 80-90 degree rubber. The softer rubber tends to create a good air seal with the nozzle Softer rubber provides higher friction/grip and makes...

The GSF Enhanced Hop Up Chamber for the M4/M16 Airsoft AEG is constructed from a Polymer plastic to ensure a proper air seal as well as a consistent pressure on the hop up bucking. GSF Airsoft parts are engineered for high performance and durability...