9MM Apex barrel on a .40 M&P

Post by: wittmeba
WRW wrote:http://www.handgunforum.net/general-semi-auto/38521-s-w-m-p-40s-easy-conversion-9mm.html

The reason I asked.

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I'm just trying to educate myself and thanks to those contributing.

Reading this article verifies something I thought may be the case. The ...

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