FN America 509 Tactical 9mm 10-Round Pistol

Overview

The FN 509 Tactical is a full-size, striker-fired 9mm pistol built for modern range use, home defense, and tactical applications. Its optics-ready slide, threaded barrel, suppressor-height tritium night sights, and fully ambidextrous controls provide a versatile platform in a durable polymer-frame configuration.

Key Features

• FN Low-Profile Optics Mounting System accepts a wide range of miniature red-dot optics without direct slide milling
• Threaded barrel with 1/2" x 28 threads and O-ring retention thread cap
• Suppressor-height Trijicon three-dot green tritium night sights
• Cold hammer-forged stainless-steel barrel with recessed target crown, polished chamber, and feed ramp
• Fully ambidextrous slide-stop lever and magazine release
• Enhanced grip texture, interchangeable backstraps, and replaceable steel frame/slide rails
• MIL-STD-1913 accessory rail for compatible lights and accessories
• Sight-protecting slide cap with textured racking surface
• External extractor and loaded-chamber indicator
• NMS Model

Specifications

• Caliber: 9mm
• Action: Striker-fired, double-action
• Capacity: 10 rounds
• Weight: 27.9 oz.
• Barrel Length: 4.5"
• Overall Length: 7.9"
• Height: 5.75"
• Width: 1.35"
• Twist Rate: 1:10" RH
• Trigger Pull: 5.5–7.7 lb.
• Sight Radius: 5.79"
• MPN: 66-100527
• UPC: 845737010195

Applications

Ideal for range training, home defense, tactical use, and users seeking an optics-ready 9mm pistol with suppressor compatibility. Its 10-round magazines make this configuration appropriate where magazine-capacity restrictions apply.

Additional Features

Includes two 10-round magazines, two interchangeable backstraps, an owner’s manual, locking device, and FN-logo soft pistol case.