The Springfield Armory Hellcat Pro OSP is a striker-fired 9mm pistol with a 4.4-inch threaded barrel (1/2x28), FDE Cerakote finish, and a slide cut for RMSC-compatible optics. Capacity is 10+1 rounds. Overall length is 7.2 inches, weight is 22.4 oz (1.4 lbs), and sights are tritium front with U-Notch rear. The frame is Desert Flat Dark Earth polymer. 
 

Key Specifications 

• Model: Hellcat PRO OSP 
• Caliber: 9MM Luger (9x19 Para) 
• Action: Striker Fired 
• Capacity: 10+1 Rounds 
• Barrel Length: 4.4 inches 
• Overall Length: 7.2 inches 
• Weight: 22.4 oz (1.4 lbs) 
• Sights: Tritium Front Sight / U-Notch Rear Sight 
• Optic Mount: RMSC Compatible 
• Muzzle Type: Threaded (1/2 x 28) 
• Finish: FDE Cerakote 
   

Detailed Features 

1. Durability and Finish: The FDE polymer frame pairs with a durable Cerakote slide finish that resists corrosion and wear. The hammer-forged barrel includes a threaded muzzle for suppressors or muzzle devices. 
    
2. User-Friendly Controls: The adaptive grip texture provides reliable purchase under varied conditions. The trigger is consistent shot-to-shot. 
    
3. Optics Ready: The RMSC-compatible slide cut accepts common micro red dots with direct mounting -- no adapter required for most popular footprints. 
    
4. Night Sights: Tritium front sight combined with U-notch rear provides aiming capability in low-light conditions.

The Springfield Hellcat Pro OSP in FDE generates positive feedback across most ownership discussions, with a few recurring qualifications.

The compact size and low weight make it a frequent recommendation in concealed carry threads. The FDE finish gets specific mention -- owners who wanted something other than standard black appreciate the aesthetic, and the Cerakote durability reviews are consistently positive.

The RMSC-compatible optic cut draws approval from owners running red dots. Most report solid zero retention and easy mounting.

Magazine capacity for the size is a repeated positive. The 10+1 count in a frame this compact is considered a competitive spec.

Ergonomics get generally favorable reviews. The grip texture and control placement work for most hand sizes. The trigger pull is described as consistent.

Criticism centers on the grip texture being too aggressive for some owners during extended range sessions. Pricing comparisons to Glock, Sig Sauer, and other compact 9mm options come up regularly, with opinions split on whether the Hellcat Pro's feature set justifies the cost difference.

Aftermarket holster and accessory availability has expanded as the platform gained popularity, though some owners noted limited options in early production runs.