Springfield Armory(R) Hellcat Pro OSP Gear Pac is a compact semi-automatic pistol chambered in 9mm Luger. It features a 3.7 in hammer-forged steel barrel with Melonite finish an optics-ready slide and a black polymer frame with Adaptive Grip Texture and an accessory rail. This Gear Pac configuration includes 15-round and 17-round magazine capacities and uses Springfield Armory's U-Dot sight system.Key Features 3.7 in hammer-forged steel barrel with Melonite finish Semi-automatic operation with 15-round and 17-round magazines OSP optics-ready slide for compatible micro red dot sights U-Dot sight system for rapid sight acquisition Black polymer frame with Adaptive Grip Texture Accessory rail for compatible lights and accessories Gear Pac configurationSpringfield Armory(R) builds modern firearms that blend proven designs with contemporary features for today's shooters. The brand is known for duty-capable handguns and performance-oriented platforms that support optics lights and high-round-count training. Springfield Armory focuses on practical reliability shooter-friendly ergonomics and consistent value across its lineup.