Product: Mad Bull Thunder Series 60 Degree Airsoft Hop Up Rubber Bucking Blue 2Pc
Brand: Mad Bull
Hop up rubber bucking 60-degree Blue 2pc Made in Taiwan  This Mad Bull Thunder Series 60° rubber hop-up bucking set is designed for regular AEG maintenance. Keep your gun in firing shape and pick up this rubber hop-up bucking set today! How to install: Apply some silicone oil inside and outside the bucking when installing onto the barrel and into hop up chamber.
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