FN 509 Fullsize MRD 9mm Pistol – 4.5″ Barrel, 17-Round Capacity, Black

The FN 509 Fullsize MRD (Milled Red Dot) is a battle-tested, striker-fired 9mm pistol engineered for duty, home defense, and competitive shooting. Built on FN’s proven 509 platform, this full-size handgun features a factory-milled slide designed to accept a wide variety of miniature red dot sights right out of the box — no gunsmithing required. The 4.5″ barrel delivers a 6.3″ sight radius for enhanced target acquisition and improved downrange accuracy, while the double-action striker-fired trigger offers a consistent 4.5 to 6.0 lb. pull for reliable, predictable performance shot after shot.

At 27 oz. and measuring 7.9″ overall with a 1.35″ width, the FN 509 Fullsize MRD strikes an ideal balance between controllability and concealability for a full-size platform. The package includes two 17-round magazines, giving you ample capacity for any application. A 1:10″ RH twist rate optimizes ballistic performance across a broad range of 9mm Luger ammunition.

Whether you’re a law enforcement professional, a competitive shooter, or a responsible gun owner seeking a premium defensive pistol, the FN 509 Fullsize MRD delivers the durability, modularity, and accuracy FN America is renowned for worldwide.

Key Specifications:
• Caliber: 9mm Luger
• Operation: Double-action striker-fired
• Barrel Length: 4.5″
• Overall Length: 7.9″
• Height: 5.56″ | Width: 1.35″
• Weight: 27 oz.
• Magazine Capacity: 17 rounds (2 magazines included)
• Trigger Pull: 4.5 – 6.0 lb.
• Twist Rate: 1:10″ RH
• Sight Radius: 6.3″
• Finish: Black

Order online today at VanTon Arms and take advantage of our competitive pricing and fast nationwide shipping. Don’t miss your chance to own one of the most versatile and reliable full-size pistols on the market.