Quote:
Originally Posted by Bar1975
i just installed one of those Madbull "Shark Fin w/ x Nub"
It's a RED rubber with a pretty cool looking Nub (looks like the concave nub from Shredder)
haven't tested it in the field yet but with it installed i've gained about 10extra FPS
Anyone try these out yet?
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There's an explanation for the FPS gain - it's just the external diameter of the Madbull rubbers are larger than most and thus seals against the walls of the hop unit better. A lot of users have complained that it's oversized nature makes it incredibly difficult to install into hop units.