The Sig Sauer P365XL Comp is a micro-compact, striker-fired pistol chambered in .380 ACP with a 3.1-inch ported barrel. The slide has an integrated two-port compensator to reduce muzzle rise, and it is cut for a red-dot optic. It ships with two 10-round magazines for a 10+1 capacity. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P365XL Comp 
• Caliber: .380 ACP 
• Action: Semi-Auto 
• Capacity: 10+1 rounds 
• Barrel Length: 3.1 inches 
• Finish: Black Nitron 
• Frame Material: Polymer with stainless steel slide 
   

Detailed Features 

• Two-port integrated compensator built into the slide to reduce recoil and muzzle rise 
• Optic-ready SIG-LOC slide cut with enhanced front and rear serrations 
• XRAY3 day/night sights for target acquisition in low light 
• XSERIES flat trigger and textured polymer grip module with an accessory rail 
• Comes with two 10-round steel magazines

P365-platform owners typically praise Sig's fit and finish and describe the pistol as reliable once broken in, though a compensated .380 variant is newer to the lineup and some early buyers say they want more range time before fully trusting it for daily carry.

The XL-length grip is popular with shooters who found the standard P365 grip too short, and the ported slide is credited with keeping muzzle flip flat between shots. A few carriers note the compensated slide adds length that some concealment holsters do not yet support.

Buyers like that it accepts the broader P365 magazine and holster ecosystem, which keeps aftermarket options wide even for a newer variant. Opinions are split on whether .380 ACP versus 9mm actually makes sense once you add a compensator.