The Springfield Armory Hellcat PRO OSP (Optical Sight Pistol) has its billet-machined rear slide deck cut to accept a micro red dot sight. Offering a full 15+1 rounds of 9mm into a compact sized package. The Hellcat offers a 3.7" black Melonite-finished hammer forged steel barrel in a trim package 1" thick. Features top slide serrations maximize your grip on the slide, Adaptive Grip Texture forms a stronger bond the tighter you grip it. It also features a tritium/luminescent front sight, tactical rack U-Notch rear sight, and dual-captive recoil spring with full length guide rod. Includes two 15-round magazines.