The Sig Sauer P320 XTEN is a semi-automatic pistol chambered in 10mm with a 5-inch barrel. It has a polymer frame in Coyote/FDE finish, 15+1 capacity, and is optic ready with night sights included. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P320 XTEN 
• Caliber: 10mm 
• Action: Semi Auto 
• Capacity: 15+1 
• Barrel Length: 5 inches 
• Color/Finish: Coyote / FDE 
• Grips: Polymer 
   

Detailed Features 

• 5-inch barrel in 10mm Auto 
• 15+1 capacity 
• Optic ready cut on the slide 
• Night sights included 
• Coyote / FDE polymer frame finish

Owners of the Sig Sauer P320 XTEN consistently point to the 10mm chambering as the main draw, with the 15+1 capacity giving it a clear advantage over single-stack 10mm options. The optic-ready slide gets strong praise, and most buyers have a red dot on it within the first few months of ownership. Night sights as standard equipment are a welcome addition that owners frequently mention.

The P320 modular platform divides opinion in the 10mm context. Shooters who are already invested in the P320 ecosystem appreciate the familiar controls and trigger, while new buyers occasionally note the recoil impulse in 10mm is more assertive than in 9mm versions. The Coyote finish is well-received aesthetically, though a small number of owners report light wear at holster contact points after extended use.

Value perception of the XTEN is generally positive given the caliber, capacity, and optic-ready configuration bundled together. The most common criticism is that the grip module texture, while functional, falls short of some competitors at the price point. Trigger quality is a topic that splits the community, with some owners swapping to aftermarket options while others find the stock unit acceptable.