The Wilson Combat WCP320 is a striker-fired 9mm built on the Sig Sauer P320 platform with Wilson Combat modifications. This variant has a black polymer grip module, X-TAC patterned black DLC slide, fiber optic front sight, and Battlesight rear. It holds 17+1 rounds, has a 4.7-inch barrel, and weighs 29.20 oz (1.8 lbs). 
 

Key Specifications 

• Brand: Wilson Combat 
• Model: WCP320 
• Caliber: 9mm Luger 
• Action: Striker Fire 
• Capacity: 17+1 rounds 
• Barrel Length: 4.7 inches 
• Overall Length: 8.25 inches 
• Weight: 29.20 oz (1.8 lbs) 
• Sights: Fiber Optic Front & Battlesight Rear 
• Grip Material: Black Modular Polymer 
• Trigger Type: Curved Standard Trigger 
• Finish Color: Black 
   

Detailed Features 

The DLC (Diamond-Like Carbon) finish on the slide is harder than most conventional coatings and has good corrosion resistance. The X-TAC texture on the slide aids grip during manipulation. The fiber optic front sight and Battlesight rear prioritize fast acquisition over precision target work, which suits the intended use case. 
 
As with all WCP320 variants, the P320 fire control unit is serialized and modular. The grip module is swappable, and Wilson Combat's internal modifications differentiate this from the standard factory P320 trigger and fit. 
 

Usage Scenarios 

The black all-in finish is the understated configuration of the WCP320 lineup. The 17+1 capacity and 4.7-inch barrel work for competition and home defense. For daily concealed carry the overall length and weight put it on the larger end.

The Wilson Combat WCP320 in black receives feedback closely mirroring the tan variant, with the same core points repeated across discussions.

Build quality and construction materials get consistent praise, and reliability across range and defensive conditions is a common positive. The ergonomics are well-regarded, and the P320 modularity remains a selling point for buyers who anticipate wanting to reconfigure later.

Price versus value is the dominant critical thread. Weight at 29 oz is sometimes noted as a limitation for carry compared to lighter striker-fired options. Trigger feel divides opinion: some shooters consider it the best available from the factory, while others find the pull less satisfying than alternative designs and compare it unfavorably to other pistols they own.