FN 509 MRD 4 9MM 17RD HSN 407C BLK

The FN America 509 MRD 4 is a mid-sized, striker-fired semi-automatic pistol chambered in 9mm. Featuring a matte black finish and a 4-inch barrel, this model is designed for reliable performance and durability. It includes two 17-round magazines, providing ample capacity for extended use.

This version of the FN 509 MRD comes equipped with a Holosun 407C optic, mounted using FN’s Low-Profile Optics-Mounting System, allowing for quick target acquisition and a clear sight picture. The pistol also features blacked-out sights that co-witness with the optic for enhanced accuracy. The flat-faced precision trigger offers a smooth pull with a positive wall, contributing to consistent shot control.

Constructed with a polymer frame and a hammer-forged barrel, the FN 509 MRD 4 balances strength with manageable weight. Its non-manual safety design supports a streamlined profile, suitable for a variety of shooting applications. This pistol combines trusted FN craftsmanship with modern features for those seeking a versatile 9mm handgun.

MANUFACTURER: FN America
MPN: 66-101927
MODEL: 509 MRD
Accessories: 2 Magazines
Action: Semi-automatic
Barrel Length: 4"
Capacity: 17 Rounds
Description: Holosun 407C
Finish: Matte
Caliber: 9MM
Safety: Non-Manual Safety
Sights: Optic Height Sights
Size: Mid-Size
Type: Striker Fired
Color: Black
Material: Polymer