The Sig Sauer P365 is a semi-automatic pistol chambered in 9mm with a 3.1-inch barrel and a 10+1 round capacity. It has an optics-ready slide and ships with XRAY3 day/night sights. The frame is polymer with a black finish throughout. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P365 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 3.1 in 
• Color/Finish: Black 
   

Detailed Features 

• Optics-ready slide with cut for direct mounting 
• XRAY3 day/night sights installed 
• Polymer grip frame 
• Ships with one flush-fit 10-round magazine and one extended 10-round magazine

P365 owners frequently cite the combination of capacity and compact size as the main draw. Getting 10+1 rounds of 9mm in a package this small was a notable step when the P365 launched, and the format still gets positive mention in carry discussions.

The XRAY3 sights are well-regarded; most owners say they work well in low light and hold zero reliably. The optics-ready slide is a practical addition for those who want to run a small red dot without sending the gun out for milling.

The trigger gets mixed reviews. Many owners describe it as adequate and consistent, but a segment finds the reset shorter than ideal for precise follow-up shots. Overall build quality is considered solid, though a few owners have noted early extractor wear on high-volume use.