Quote:
Originally Posted by ThunderCactus
I highly recommend upgrading your hopup rubber before getting a tightbore, the hopup rubber is third the cost and will make a far greater difference than a tightbore.
Either a guarder clear rubber if your under 350fps, or ARS rubber if your over 350
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Thanks I'll look into that. Iv got the concave spacer already, wich made a big difference, but just the original hopup rubber still. Nice to know...