Joined
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97 Posts
Should i use a soft or hard hopup rubber if i do 390 fps with .25 bullets?
420 fps with .2
420 fps with .2
Posts by hybelmoskus
1 - 2 of 6 Posts
Joined
·
97 Posts
but that aint the rubber? that's the nub 
that getting pushed down to the rubber?
that getting pushed down to the rubber?1 - 2 of 6 Posts
