This ProMag drum magazine (part no. DRM-A84) holds 50 rounds of 9mm Luger and is built to fit the FN 509. It’s finished in black and made in the USA for shooters who want extended capacity at the range.

Key Specifications

• Chambered for 9mm Luger.
• Holds 50 rounds in a drum configuration.
• Purpose-built to fit the FN 509.
• Finished in black.
• Made in the USA.
• Backed by a lifetime guarantee against manufacturer’s defects.
• Spring is precision-wound from heat-treated chrome-silicon wire.
• Assembly is checked and double-checked at every step for consistent quality.
• Manufactured by ProMag.

Frequently Asked Questions

How many rounds does this ProMag drum magazine hold? It holds 50 rounds of 9mm Luger.

What pistol does this magazine fit? It’s built to fit the FN 509.

Is this magazine made in the USA? Yes, it’s made in the USA and backed by a lifetime guarantee against manufacturer’s defects.

Buy the ProMag FN 509 50-Round 9mm Drum Magazine

Order it from our Lubbock, Texas gun shop for fast shipping direct to your door. Browse our full handgun magazines selection.