FN 509 Midsize Tactical 9mm 4.5″ Threaded — Matte Black

Description

The FN 509 Midsize Tactical is a multi-role semi-automatic 9mm pistol designed for everyday carry, home defense and duty use. It features an optics-ready slide and a threaded cold hammer-forged stainless steel barrel for suppressor compatibility. The midsize frame balances shootability and concealability while offering a full-hand grip and enhanced ergonomics. Controls and ergonomics are set up for fast sight acquisition and consistent follow-up shots.

Key Specifications

• The model is FN 509 Midsize Tactical.
• The caliber is 9mm.
• The barrel measures 4.5 inches.
• The barrel is threaded (1/2×28).
• The optic interface is multiple optic footprints (FN Low-Profile Optics-Mounting System).
• The frame material is polymer.
• The exterior has a matte black finish.
• The sights are suppressor-height 3-dot night sights.
• The action is semi-automatic (striker-fired).
• Package contents include two magazines and a soft pistol case.

The FN 509 Midsize Tactical blends practical ergonomics and modular capability in a compact, duty-capable package. Its optics-ready slide, threaded barrel and hands-friendly controls make it a versatile choice for range use, duty tasks and defensive carry where a balanced, reliable platform is required.

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