djbb98 Posted February 2, 2017 Share Posted February 2, 2017 I have a STI Eagle in 9mm, I currently use standard STI mags for Practice and the MBX Magazines for matches. I'm having a 40 S&W top end built for it and am wondering what magazines I'd be best off getting for it. I know old style STI magazines were a pain in the ass but I know they came out with a new design and am wondering if those are any good or if they still require tuning. I don't have any experience with the SV tubes and I know the new style have to be modified. Or would I just be better off with going with MBX again Link to comment Share on other sites More sharing options...
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