Quote:
Originally Posted by The Acer
Meh... I have an external rig KJ M700 take down, I forget the exact numbers but when I turned the regulator up, shooting .43g bbs shooting (I cant remember exact number but I think it was around) 550fps, I calculated it and it was 5.8J of energy.
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Congrat you just made a controlled firearm, I take it you register the gun before you made the upgrade correct? Otherwise you would be charged for manufacturing controlled firearm