here is the Kimber magazine you could also use any standard 1911 45acp magazine budsgunshop.com/product_info.php/products_id/170672/kimber+magazine+1911+.45+acp+full+size+sts+7rnd

Hi Juan and welcome. One of the best quality for the price 1911 .45ACP magazine is the Ruger 1911 Stainless Magazine: -- budsgunshop.com/product_info.php/products_id/76603/ruger+90366+sr1911+magazine+7rd+45acp+ff00515 -------- Cheers, stay safe and enjoy!

This model utilizes all standard 1911 single stack magazines chambered in .45 ACP. Below are an abundance to choose from. I grabbed a couple Wilson Combat mags and a 10 round Chip McCormick for my SA Operator 1911 and they run flawlessly!!
budsgunshop.com/search.php/q/1911+magazines

The Kimber Pro CDP is a full-size 1911-style pistol chambered in .45 ACP, designed to accept standard 1911 magazines. Compatible magazines include Kimber's factory 7-round magazines, Wilson Combat 47D 8-round magazines, and Chip McCormick 8-round magazines. Ensure the magazine is designed for full-size 1911s and matches the .45 ACP caliber for optimal performance. Hope that helps! 👍🏻 ‼️