Mad Bull Madbull Hop-up rubber, shark, bucking 2 pack

This pack includes: 1x Rubber bucking. 1x Silicon bucking. 1x fishbone device. Shark Hop-up Bucking was originally designed to prevent double feeding. By having 3 special "fins" inside the bucking, Shark Hop-up Bucking can hold one and only one B.B. tightly in the chamber. Rubber works best in normal temperatures and the silicon works best in cold weather. Fishbone device: Traditional hop-up pressure device can apply uneven pressure on to BB's. The Fishbone device will apply even pressure onto BB's and provides consistent accuracy.

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