[king..kranium]

Er hop, tight bore, lrb, tdc mod. Also shim your hop up. All these will help your bb find it's mark. Personally I'd shim hop up, then tightbore barrel. That's should help considerably.

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[king..kranium]

Not really you just need a vice or something similar as well as a thin file, I think, but cheese really is the man for that stuff...
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