The Sig Sauer P320 Pro Compact is a law enforcement compact semi-automatic pistol chambered in 9mm with a 3.9-inch barrel. It holds 15 rounds and has polymer grips and a blue/black finish. The pistol comes equipped with night sights. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P320 Pro Compact 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 15 
• Barrel Length: 3.9 inches 
• Color/Finish: Blue/Black 
   

Detailed Features 

• 3.9-inch barrel in a compact frame 
• 15-round capacity magazine 
• Night sights included 
• Polymer grip module in blue/black finish 
• Law enforcement compact configuration

The P320 Pro Compact draws a loyal following among law enforcement and civilian carriers who want a mid-size pistol with a capable round count. The 15-round capacity in a compact package is a consistent selling point, and owners frequently mention that the grip texture and ergonomics work well across different hand sizes.

Night sights on the Pro Compact are considered a genuine upgrade over standard factory sights. Owners who have used the pistol in low-light conditions report the sights are bright and well-aligned. The blue/black finish holds up reasonably well, though some note it shows wear on the edges of the slide faster than a matte black would.

The compact P320 trigger gets the same split feedback as the full-size variant. Most owners find it usable out of the box, and the P320 platform's modular nature means the trigger is easy to upgrade. A few owners mention the compact grip module feels slightly short for larger hands, though the 15-round magazine partially addresses this.