Grand Power P40 10mm 3rd Magazine Extension v2 (Possibly Works With Alloy 10mm Witness)
thingiverse
Version 2 of the Grand Power P40 (10mm) 3rd magazine extension. Simply take off your old baseplate, put on this extension, and then insert the shim in the rear of the extension. You now have 17rds of 10mm instead of 14 in your Grand Power P40! Note: Though untested this may work with the alloy/steel framed EAA Witness line of pistols in 10mm. If anyone tries this with those pistols please report your results in the comments! If you can't print this yourself, you can support me creating more of these by ordering a print here: https://www.ebay.com/itm/264386079027
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