I saw these carbon smoke mags hit the website recently. At first they all said coming soon so I brushed them off as they weren't available yet. BUT THEN THEY WERE! I have a standard clear 21 and 30 rd for the M&P and all of them including this one run just fine.
So I order this 40 rd carbon smoke mag and literally the next day, they're unavailable again on the website, so I'm glad I ordered when I did! Performs well, looks really slick on a black pistol. Classy even lol. And the price? I can see why they're always unavailable. $14.99 for the 40 rd carbon smoke. The standard clear 30 round cost me $25 last year. That $15 price tag is a great way to introduce these magazines.
Thank you ETS! You've provided much fun for the range and all these extended mags I have now means I'm no longer spending half of my range time reloading. Maybe reload two or threw times at the range