The Springfield Armory Hellcat Pro OSP is a striker-fired, optics-ready semi-automatic pistol chambered in 9mm Luger with a 3.7" barrel, 6.6" overall length, and 21 oz unloaded weight. Five magazines ship with the gun: two 17-round and three 15-round. The slide is billet machined for direct red dot mounting. 
 

Key Specifications 

• Brand: Springfield Armory 
• Model: Hellcat Pro OSP 
• Caliber: 9mm Luger (9x19 Para) 
• Barrel Length: 3.7 inches 
• Overall Length: 6.6 inches 
• Weight: 1.3 lbs (21 oz) 
• Action Type: Striker Fire 
• Capacity: 17+1 rounds (5 magazines included: Two 17 rd & Three 15 rd) 
• Finish: Black Melonite 
• Grip Material: Polymer with Adaptive Texture 
• Sights: Tritium Luminescent Front / Tactical Rack U-Notch Rear 
   

Detailed Features 

The billet machined slide accepts red dots directly without adapter plates. The adaptive grip texture gives secure purchase in various conditions without being abrasive to bare skin. Tritium and luminescent front sight works in low light. The tactical rack U-notch rear sight profile is designed for one-handed slide manipulation. A dual captive recoil spring reduces felt recoil and extends spring service life. Black Melonite finish provides corrosion and wear resistance on the slide and barrel. 
 

Target Audience 

The 17+1 capacity in a compact chassis that measures 6.6" overall is the defining characteristic. Concealed carry users get high capacity without the bulk of a full-size pistol. Buyers who run optics benefit from the direct-mount slide. 
 

Usage Scenarios 

As a carry gun, the 21-oz weight and 6.6" length are manageable all day. The five included magazines give flexibility for defensive use and range training. The optics-ready slide eliminates the need for aftermarket modifications for buyers who prefer a red dot.

The Hellcat Pro OSP draws strong community feedback across multiple dimensions. Compact size combined with 17+1 capacity is the most frequently mentioned selling point, with owners consistently noting it punches above its size. The optics-ready slide is well-received by the growing number of shooters who prefer red dots, and the inclusion of five magazines is considered a practical value-add.

Ergonomics and controls get positive marks as intuitive and comfortable. Accuracy at typical defensive distances is praised, and the build quality is described as solid and well-made.

The trigger generates split opinions: some owners find it appropriately responsive for a defensive pistol, while others feel it is not as refined as triggers on comparable guns. The Melonite finish and overall construction are considered durable. Price is generally viewed as reasonable given the feature set.