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barrell material
https://www.spudfiles.com/viewtopic.php?t=9350
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barrell material
Posted:
Sat Jul 07, 2007 8:02 pm
by
bob-a-lu
could i use a pen tube?
Posted:
Sat Jul 07, 2007 8:06 pm
by
MrCrowley
Yes. Search there are many mini BB guns using pen tubes as a barrel.