Hey Guys; I saw this wierd barrel on Ehobby Asia, and I was curious if anyone here has ever tried one, or has heard anything about them?
http://shop.ehobbyasia.com/tanio-kob...aws-500mm.html
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Tanio-Koba Hop Up Twist Inner Barrel<LI class=product>
I can't see this working because it seems like it would totaly screw with the back spin from the hop-up.
What do you guys think?