Mad Bull Hop Up Bucking
MADBULL AIRSOFT 60° RUBBER 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 sea
MADBULL AIRSOFT 60° RUBBER 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 sea
