instructions on assembling a bt-4 paintball gun. http://www.paintballsolutions.com/pdf/manuals/bt/BT-4-manual.pdfLet me know if you need step by step instructions
tippmann bt4 combat maintenance I have no shop to maintain my marker so i have to do all the work myself. I seemingly have a problem with the internals of the gun since whenever i screw in the Co2 ...
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