ProMag magazines are meticulously engineered for professional shooters and law enforcement personnel, where precision and reliability are paramount. Expertly machined for exceptional quality, these magazines are guaranteed to feed and function flawlessly with every shot. The magazine body is crafted from heat-treated blued steel, ensuring durability and resistance to wear. Complementing this robust design, the follower is made from a proprietary DuPont Zytel-based polymer, providing enhanced longevity and performance. With ProMag, you can trust that you're equipped with a magazine that meets the highest standards of reliability, ensuring you're always ready when it matters most.