The Springfield Armory Hellcat Pro Comp OSP is a compact 9mm semi-automatic pistol with a 3.7-inch compensated barrel and a 15+1 round capacity. It is optics-ready with an OSP (Optical Sight Pistol) cut on the slide. The black Melonite-coated barrel and black frame finish are consistent across the listed configurations. 
 

Key Specifications 

• Brand: Springfield Armory 
• Model: Hellcat Pro Comp OSP 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 15+1 
• Barrel Length: 3.7 inches 
• Color/Finish: Black 
   

Detailed Features 

• Compensated 3.7-inch barrel for muzzle rise management 
• Optic-ready OSP slide cut for direct optic mounting 
• 15+1 round capacity in a compact frame 
• Black Melonite-coated barrel 
• Some configurations include tritium front sight and a Viridian green dot optic

Owners of the Springfield Armory Hellcat Pro Comp OSP frequently highlight the optics-ready setup and the integrated compensator as the standout features for a compact carry pistol. The 15+1 capacity in a compact frame is a regular talking point, with many owners comparing it favorably to similarly sized pistols that hold fewer rounds. Out-of-the-box reliability with a variety of 9mm loads is a consistent positive.

The compensated Hellcat Pro draws polarized opinions on carry practicality. Some owners appreciate the reduced muzzle flip during range sessions, while others find the compensator adds length that complicates holster selection. The 3.7-inch barrel with compensation means the overall length is meaningfully longer than a non-compensated compact, and that trade-off is noted frequently.

The trigger on the Hellcat Pro Comp splits opinions. Many owners find it crisp for a striker-fired compact, but a vocal group considers the reset too short for consistent shooting without training. The OSP cut works with a wide range of micro red dots, and owners who run optics on the gun tend to be more satisfied than those running it iron-sight only.