FN(R) 309 MRD is a semi-automatic pistol chambered in 9mm Luger and supplied with 16-round and 20-round magazines. It features a 3.8 in black target-crown barrel and a black stainless steel optic-ready serrated slide. The black polymer frame incorporates a Picatinny accessory rail and textured grip while the MRD optics interface supports Shield RMS and DeltaPoint Pro footprint optics.Key Features Chambered in 9mm Luger 3.8 in black target-crown barrel Includes 16-round and 20-round magazines Black stainless steel optic-ready serrated slide Shield RMS and DeltaPoint Pro compatible optics footprint Black polymer frame with Picatinny accessory rail Textured grip surfaceFN(R) is known for producing firearms built around military heritage modern engineering and dependable performance across professional defensive and sporting applications. The brand is widely recognized for combining durable construction practical innovation and refined manufacturing standards across its handgun and long gun lineup. FN(R) firearms remain well regarded by shooters who value reliability functional design and proven real world capability.