The Sig Sauer P320 M17 is a full-size DAO striker-fired pistol chambered in 9mm Luger. This variant ships with 21+1 capacity and two magazines in the Coyote Tan PVD finish, matching the military M17 color scheme. The 4.7-inch barrel and 8-inch overall length put it in the full-size service pistol category at 1.9 lbs (29.6 oz). 
 

Key Specifications 

• Manufacturer: Sig Sauer 
• Model: P320-M17 
• Caliber: 9mm Luger (9x19 Para) 
• Action Type: Double Action Only (DAO) 
• Barrel Length: 4.7 inches 
• Overall Length: 8 inches 
• Weight: 1.9 lbs (29.6 oz) 
• Capacity: 21 rounds +1 (includes two magazines) 
• Grip Material: Coyote Polymer 
• Finish Color: Coyote Tan 
• Sights: SIGLITE with removable night sight plates 
   

Detailed Features 

The DAO trigger maintains a consistent pull weight across all shots. The 21+1 capacity with two included magazines makes this a substantial service-grade loadout. SIGLITE sights with removable night sight plates allow the front and rear sight inserts to be swapped out without replacing the entire sight assembly. The modular FCU (Fire Control Unit) is the serialized component, which means the grip module and slide can be changed without additional paperwork. An optic-ready removable plate in the slide accepts common red dot footprints. The coyote polymer grip has a texture designed for secure purchase under stress.

User sentiment on the P320 M17 in Coyote Tan is generally favorable with some recurring criticisms worth noting.

Build quality is consistently praised across reviews -- owners describe the gun as feeling well-made and report reliable performance at the range and in defensive contexts. The ergonomics work for most hand sizes, and the grip texture is cited as a positive for maintaining control. The 21+1 capacity and the military service lineage both get favorable mentions. The Coyote Tan finish divides opinion: some prefer it for the distinct look, while others stick to black or stainless preferences.

The DAO trigger is the most divided topic. Shooters who value a consistent pull across all shots appreciate it; others find the pull heavier or different enough from other striker-fired guns to require adjustment time. Size and weight keep coming up as limiting factors for concealed carry -- the M17 is a full-size pistol and owners acknowledge it. Pricing is debated, with some finding it fair for the features and others placing it above comparable full-size options.