The Springfield Hellcat Pro OSP is a 9mm semi-automatic with a 4.4-inch hammer-forged barrel, 17-round capacity, and a weight of 22 oz (1.375 lbs). The OSP slide has a pre-cut optics mount compatible with multiple red dot footprints. The black polymer frame has adaptive grip texture. Tritium/luminescent front sight and tactical rack rear sight. Melonite finish on barrel and slide. Flat-faced trigger. Threaded barrel option is available. 
 

Key Specifications 

• Caliber: 9mm 
• Barrel Length: 4.4 inches (Hammer Forged, Melonite finish) 
• Capacity: 17 rounds 
• Weight: 22 oz (1.375 lbs) 
• Overall Length: 7.2 inches 
• Height: 4.8 inches 
• Grip Width: 1 inch 
• Manufacturer: Springfield Armory 
   

Features 

The Hellcat Pro hits a useful middle ground: it's larger than the standard Hellcat but still carries comfortably at 22 oz and 7.2 inches. The 17-round capacity is competitive for this size class. The OSP cut accepts common red dot footprints. Tritium front sight works in low light without requiring a battery. Melonite treatment on both barrel and slide improves durability. The adaptive grip texture holds well without being abrasive through clothing. 
 

Usage 

The Hellcat Pro OSP suits daily carry for shooters who want full-size capacity in a compact form factor. The optics-ready slide makes it practical for red dot carry setups. It doubles well as a home defense and range gun.

The Hellcat Pro OSP gets consistent positive marks across carry-focused discussions. The combination of 17 rounds, 22 oz, and a 4.4-inch barrel is cited frequently as the right balance for people who want capacity without sacrificing concealability. The OSP optics cut is popular -- it comes factory-ready for a dot without gunsmithing. The Tritium front sight and grip texture both get good reviews for practical use.

Feedback on ergonomics is broadly positive: controls are intuitive, the flat trigger is comfortable, and the grip width at 1 inch carries well. The main criticisms are price (some find it slightly above comparable pistols) and size relative to ultra-compact carry guns. Battery life concerns around specific optic pairings come up occasionally. Overall, owner feedback is favorable with the Hellcat Pro OSP regarded as a capable, well-rounded carry option.