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The holy grail. Not 500. Not 600 but a FX Impact 700mm .177 barrel. I’m making my m3 a dedicated .30 . These are not available in the USA Comes with pellet probe and carbon fiber sleeve. $400 shipped. PayPal F&F. Has the Smooth twist X superior liner. OPEN TO OFFERS. This is not the .177 slug tensioned barrel.
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