The Sig Sauer P320 M17 is a full-size 9mm semi-automatic pistol with a 4.7-inch barrel and Coyote PVD finish. It has a manual safety, optics-ready cut, and Siglite night sights. Three 10-round magazines are included. 
 

Key Specifications 

• Brand: Sig Sauer 
• Model: P320 M17 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 4.7 in 
• Color/Finish: Coyote PVD 
   

Detailed Features 

• Full size frame with 4.7-inch barrel 
• Coyote PVD finish on slide and controls 
• Manual safety included 
• Optics-ready cut for direct red-dot mounting 
• Siglite night sights and three 10-round magazines included

Owners of the M17 commercial variant appreciate the full-size frame and the longer 4.7-inch barrel compared to the carry-frame M18. The additional sight radius is frequently mentioned as a benefit for accuracy at distance, and the Coyote PVD finish is consistently described as holding up well under regular use.

The manual safety is the most discussed feature. Those transitioning from military service, where the M17 is the standard sidearm, find it familiar. Civilian buyers more accustomed to striker-fired pistols without a safety find the switch takes conscious practice to build into the draw stroke. Siglite night sights at the factory level are a consistent positive.

Value is generally seen as strong given the optics-ready platform, factory night sights, and three included magazines. The 10-round capacity is the most common complaint among buyers in non-restricted states, where the commercial configuration limits the full-size platform below its standard potential.