The Springfield Armory Hellcat Pro OSP is a compact 9mm semi-automatic pistol with a 3.7-inch black Melonite steel barrel and optic-ready slide. This variant ships with a 15-round magazine and the Viridian RFX-11 green dot sight. The frame carries an Adaptive Grip texture and the package includes 4 magazines. 
 

Key Specifications 

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

Detailed Features 

• Optic-ready slide cut for direct red-dot mounting, includes Viridian RFX-11 green dot 
• 3.7-inch black Melonite steel barrel 
• Adaptive Grip texture on the frame 
• Ships with 4 magazines (15-round capacity) 
• Compact form factor with 15+1 capacity

Owners who choose the 15-round Hellcat Pro OSP variant typically cite the higher capacity as the deciding factor over the 10-round model. Getting 15+1 in a compact package is a recurring theme in how people talk about this pistol, particularly for home defense use.

The Adaptive Grip draws the same mixed response as in the lower-capacity variant. Daily carry wearers sometimes note the texture is aggressive against the skin, while range shooters tend to view it positively for control. The 3.7-inch barrel keeps the overall length manageable.

The included Viridian RFX-11 green dot and the four-magazine bundle are consistently called out as good value in the package. Trigger feel is the most common complaint, with some owners upgrading it after purchase, though reliability with 9mm is generally considered solid.