Anyone use the pro mags for M&P 9? Just looking to use them on the range for practice and some IDPA shoots.

Try THIS

I haven't tried them for that gun
They are OK in my Sig Sauer but not a friend's and their .22 conversion magazine was a bust.
On the other hand, I have one ACT Mag that works fine and cost less.
ACT-MAG S&W M&P9 S&W M&P9 2.0 9mm 17 RD Full Size MPB-9-17 49176 [ACT-MAG MPB-9-17 ARMSCOR 49176] - $19.95 : Greg Cote LLC

Junk. I bought 2 at a gun show. One malfunctioned at the range. The spring got hung up inside the mag well and the rounds were bouncing around inside. I threw both in the trash. Never again.

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I'd rather carry my spare ammo in an empty peanut sack.

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S&W Accumulator

Some have had good luck with ProMag magazines, many have not. They are great for practice jam clearing, so I suppose they do have a use.

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VCDL, GOA, NRA

Better NoMag than ProMag.

They are junk.

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BTDT, Got The T-Shirt

I tried them because I wanted range spares and they came in 10 rd capacity. They function fine for me. I think the negative was my set doesn't always lock the slide after the last round. If I could do 10 in s+w mags I would. I used magguts in my s+w and each one now has plus one without any further extension.