M&P Shield Magazine Base Plate Picatinny Rail
thingiverse
This rail works! I mooshed together the duck bill mag extension for the M&P9 Shield's 7-round magazine with a section of picatinny rail (both referenced) and filled in some areas. I made this for my new Mantis X10, but it could be used with any picatinny accessory (laser, light, etc.). It's not the prettiest design in the world (I don't have real CAD available to me), but IT WORKS!!! Now I need to do the same for my Sig... NOTE: This does require a couple of small sections of support.
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