The ProMag Magazine is a high-capacity drum magazine that can hold up to 50 rounds of 9mm ammunition. Designed specifically to fit FN 509 pistols, this magazine is guaranteed to function flawlessly with your firearm.

One of the standout features of this magazine is the durable polymer construction. The magazine body is made from a proprietary DuPont Zytel based polymer, which is renowned for its toughness and resistance to impact and abrasion. This means that the ProMag Magazine is built to last and can withstand the rigors of heavy use.

The upper magazine tower is made from blue steel, ensuring that the magazine maintains its structural integrity even under high pressure. The injection-molded magazine follower ensures that ammunition feeds smoothly and reliably, while the magazine spring is made from heat-treated stainless steel wire, guaranteeing consistent performance over time.

All ProMag Magazines are proudly manufactured in the USA, ensuring the highest possible standards of quality and workmanship. Whether you're a law enforcement officer, competitive shooter, or just a responsible gun owner, you can trust the ProMag Magazine to deliver outstanding performance when you need it most.

Compared to its competitors, the ProMag Magazine stands out for its superior durability, reliability, and performance. With its high-capacity design and proven track record, this magazine is the perfect choice for anyone looking for a top-quality magazine that won't let them down.