The Springfield Armory Hellcat Pro Comp OSP is a 9mm semi-automatic pistol with a 3.7-inch Melonite steel barrel and a compensator built into the configuration. It has a 10+1 capacity and an optics-ready slide. The gear package adds a Viridian RFX-11 Green Dot and four magazines. 
 

Key Specifications 

• Brand: Springfield Armory 
• Model: Hellcat Pro Comp OSP 
• Caliber: 9mm Luger 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 3.7 in 
• Color/Finish: Black Melonite 
   

Detailed Features 

• Compensated barrel for reduced muzzle rise 
• Optics-ready slide (OSP) with included Viridian RFX-11 Green Dot 
• 3.7-inch Melonite steel barrel 
• Gear package includes four magazines 
• Compact carry-oriented frame

Owners of the Hellcat Pro Comp OSP praise the compensator for making fast follow-up shots noticeably flatter compared to the standard Hellcat Pro. That said, the compensator adds length to an otherwise compact pistol, and some carry-focused buyers find the trade-off not worth it for everyday use.

The OSP optic-ready cut is appreciated as a future-proofing feature even by those who do not immediately mount an optic. Trigger feel on the Hellcat platform splits opinions: most find it adequate for carry use, while shooters coming from competition pistols note some wall mushiness.

The gear pac bundle with the Viridian RFX-11 and extra magazines is seen as good value by buyers who planned to add an optic anyway. Those who already own a red dot sometimes feel they are paying for something they will not use.