FN 509M Tactical 9mm 4.5" 15rd Pistol, Black - 66101936

Semi-automatic striker-fired pistol chambered in 9mm Luger with a 4.5" cold hammer forged stainless steel barrel. Features an optic-ready slide with serrations, suppressor-height 3-dot night sights, threaded muzzle (1/2x28 TPI), and includes both 15-round and 24-round magazines. Interchangeable backstraps and enhanced grip texturing provide customizable ergonomics.