The Wilson Combat P320 is a striker-fired pistol built on the SIG P320 platform, chambered in 9mm Luger with 17+1 capacity, a 4.7-inch barrel, and an 8.25-inch overall length. It weighs 29.20 oz (1.8 lbs) and ships with two 17-round magazines. 
 

Key Specifications 

• Brand: Wilson Combat 
• Model: P320 
• Caliber: 9MM Luger (9x19 Para) 
• Action: Semi-Automatic (Striker Fire) 
• Capacity: 17+1 rounds 
• Barrel Length: 4.7 inches 
• Overall Length: 8.25 inches 
• Weight: 1.8 lbs (29.20 oz) 
• Finish Color: Black/Grey 
• Sights: Fiber Optic Front & Battlesight Rear 
• Grip Material: Modular Polymer Black 
• Condition: New in Box 
   

Detailed Features 

The slide carries Wilson Combat's DLC coating, which reduces operational glare and improves durability over bare steel. Fiber optic front sight combined with the Battlesight rear works across lighting conditions and speeds up target acquisition. The P320's modular design allows grip module swaps without tools, letting users adjust size and fit for different hand dimensions. Two 17-round magazines are included.

The Wilson Combat P320 9mm draws strong interest from shooters who want a factory-built custom pistol rather than a DIY project.

Build quality and fit and finish get the most consistent praise. Owners describe the tactile experience as a step above standard factory pistols, and the DLC coating on the slide is cited specifically for its durability. Ergonomics work well for most; the modular grip system is valued because it genuinely lets you dial in the fit without aftermarket work.

Trigger feel is a frequent discussion point. The pull and reset compare favorably against other striker-fired platforms in most owner accounts, and competitive shooters note meaningful improvements in shot-to-shot consistency. Reliability is generally described as high across different ammunition types.

Precision accuracy draws favorable reviews, with tight groupings reported across distances. Aesthetic opinion splits — some find the Wilson Combat finish options attractive, others find the look unremarkable. Aftermarket support for the P320 platform broadly is good, and that benefits this pistol specifically.

Price is the main objection. Wilson Combat asks a premium over a standard SIG P320, and the debate about whether the factory work justifies that cost over a stock pistol with aftermarket parts is ongoing.