r/canadaguns • u/General_Friendship87 • Jul 27 '26

Fix my gun Ati pro mag install

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Hi sorry for asking this very basic question but idk what I’m doing. Trying to install this pro mag but idk what to shave and what not to. Any guidance and help would be appreciated.

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u/Initial-Job9067 Jul 28 '26 edited Jul 28 '26

I had the same problem a few months ago. I had to dremel the stock magazine well forward about 0.25cm (or just keep shaving small amounts until it fits). Now fits perfectly.
This video also helped

https://youtu.be/64HI7NbCySw?si=iJk_thGESj-VHFV7