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Hey Stonewall, in your talks with Myles, did he mention if there was an increase in FPS?
To anyone who can answer:
I'm considering doing this in a stock tm MP5 RAS with a 140mm (I think) king arms silencer, and a M4 twist barrel.
What other upgrades should I be looking at to keep it working properly?
Is there is a noticable improvment, or should I just go with the stock length twist barrel and upgrade the internals to 330?
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