It would definitely give you more BOOM[/color] :-D but as to velocity not a lot more. Some true but likely no more than a Hornady Light Mag or Federal equivilent whatever it is they call theirs. But oh so much more noise and recoil.
I have a 16.5" .300 that was cut down from a 26" heavy barrel and Mag-na-ported. With a good grip the recoil comes straight back. I shot it a few days ago with a loose grip and it torqued my wrist pretty good. I haven't shot it that much but it is fun and different. jim
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