3 comments on “MBXExtreme 170mm Magazine Review

  1. Thanks so much. I’m debating buying a 170mm 9mm MBX Extreme vs taking a blank STI tube, add Grams springs/followers, spacer, and Dawson +1. It’ll come out to about $120 for all the parts plus some filing to get it not to lock back. This vs. $160 MBX…

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