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Hopup rubber

1490 Views 5 Replies 4 Participants Last post by  ahp
Should i use a soft or hard hopup rubber if i do 390 fps with .25 bullets?

420 fps with .2
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but that aint the rubber? that's the nub :p that getting pushed down to the rubber?
I like Systema bucking and Prommy, I've read good stuff about the PDI W bucking also but I haven't test it myself.


Wolf
Opp sorry, I skimmed the read.

Prommy hard should be great. Also I used a PDI W and shaved down the groves on the inside which made it flat. Worked great with the Firefly nub.
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