FN 309 MRD 9mm 3.8in MS Optic-Ready Pistol

The FN 309 MRD is a compact, optic-ready semi-automatic handgun designed for everyday personal defense and range use. It employs an internal hammer-fired single-action-only trigger for a crisp, light pull and features a serrated slide cut to accept red dot optics that share the Leupold DeltaPoint Pro or Shield RMS footprints. The pistol ships with both a 16-round and a 20-round magazine and is built on a textured black polymer frame with a Picatinny accessory rail.

Key Specifications

• The caliber is 9mm Luger.
• The barrel measures 3.8 inches and features a recessed target crown.
• The action is an internal hammer-fired, single-action only design.
• The trigger pull is approximately ~5 lb single-action.
• The pistol ships with 16- and 20-round magazines.
• The slide is optic ready and serrated, compatible with Leupold DeltaPoint Pro and Shield RMS footprints.
• The frame is a black polymer with Picatinny accessory rail.
• The grip uses a textured pattern to balance comfort and control.
• The overall length is listed as 7.4 inches with a sight radius of 6.3 inches.
• The barrel twist is specified as 1:10 RH.

Built for reliable everyday carry and practical range use, the FN 309 MRD combines compact dimensions, optics compatibility, and a refined single-action trigger to deliver predictable handling and sight acquisition. Its textured grip, optic-ready slide, and included magazines provide a ready-to-shoot package suitable for responsible owners seeking a modern, feature-rich defensive pistol.