dogtired Posted September 14, 2019 Share Posted September 14, 2019 (edited) I am a little late to the party but I was able to make a 27 round reloadable mag using a Promag 20 round, a Grams extended magazine spring and a Plus one extension I found out on the web. I tried a plus two am some milling but ended up destroying the base pad. Some smoothing is required but it works pretty well. Total cost was about $70. ProMag CZ-75 / TZ-75 9mm Magazine 20 Rounds Blued Steel CZ-A4 Edited September 14, 2019 by dogtired Link to comment Share on other sites More sharing options...
Johnson1 Posted June 26, 2021 Share Posted June 26, 2021 Where did you purchase the magwell? Link to comment Share on other sites More sharing options...
dogtired Posted February 24, 2023 Share Posted February 24, 2023 (edited) A thousand year old response: I just came across this... 25-26 round RIA mag Edited February 24, 2023 by dogtired Link to comment Share on other sites More sharing options...
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