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Home » Accessories & Parts » Internal Parts » Hop-Up » *Hop-Up Bucking » Reviews
Mad Bull 60 Degree Shark Hopup Bucking x2 + Fishbone Spacer x2.
by carson s. Date Added: December 26, 2012
Alright I put this in my softair thompson M1A1 but it took over an hour. It does improve feeding, fps, and range but it had an impossibly tight fit in my hop-up unit. I had to cut off part of the end in order to make it work. Also the spacer was too wide to fit so I had to do extensive modification to make that fit. Once in place though it works great. Do not be discouraged by my troubles it was probably just the irregularities of the thompson.

Rating: 4 of 5 Stars! [4 of 5 Stars!]
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