WCP320 Sig Sauer

Wilson Combat WCP320Wilson Combat WCP320

Using the all-new Wilson Combat SIG P320 grip module, our in-house re-machined slide and Wilson Combat performance battle sights, the Wilson Combat Optimized WCP320 will become the new standard in hard-use, striker-fired handguns. Our modifications have tailored and tuned the 320 platform for precision tactical pistol shooting.

Learn more about each standard model by viewing each in the tabs below.

  • Full Size

    Wilson Combat and Sig Sauer are pleased to announce the Wilson Combat enhanced P320 collaboration, the WCP320. This 9mm pistol includes our custom Wilson Combat P320 grip module (black or tan), P320 slide with X-TAC pattern serrations, and black DLC finish. Wilson Combat gunsmiths and engineers have completely reworked a SIG SAUER P320 chassis and unfinished SIG manufactured slide into our ideal version of a high-performance, perfected striker-fired pistol.

    This robust, fast-handling pistol wears our Wilson Combat engineered polymer grip module. This newly designed and manufactured grip has enhanced traction, smoother reloading, improved pointability, and superb recoil control in dynamic shooting. This grip turns an already solid platform into an ergonomic shooting machine.

    The slide has been machined with the Wilson Combat X-TAC pattern for improved manipulation under stress. The front and rear cocking serrations, as well as the slide top, wear this signature Wilson Combat pattern. The stainless steel slide and chromoly barrel wear the most advanced black DLC (Diamond-like-Carbon) physical vapor deposition finish available. This finish has chromium and tungsten underlayers for long-lasting corrosion and abrasion resistance.

    The SIG SAUER flat-faced XFULL trigger is standard on the WCP320 and gives shooters a lower finger position on the trigger which increases leverage for a lighter, smoother trigger pull. The pull can be further enhanced by Wilson Combat gunsmiths with our optional action tune using Grayguns custom trigger parts.

    Key Details
    • Available calibers: 9mm
    • Base price: $1,255 (9mm)
    • Magazine capacity: 17 rounds
    • Barrel length: 4.7"
    • Overall length: 8.25"
    • Sight radius: 6.7"
    • Height: 5.5"
    • Width: 1.5"
    • Weight empty: 29.2 oz
    • Weight loaded: 36.7 oz
    • Options PRIOR to shipment:
      • Change module color
      • Install optic on direct milled slide (cover plate and rear Battlesight)
    Specifications
    • Wilson Combat P320 Carry grip module (Black)
    • Wilson Combat X-TAC P320 slide with machine bevels
    • Black DLC finish on slide/barrel
    • X-TAC pattern front and rear cocking serrations
    • X-TAC pattern on slide top
    • Carry cut
    • Wilson Combat logo on slide
    • Wilson Combat Battlesight with red fiber optic front sight
    • SIG factory magazine release
    • SIG factory slide Stop
    • SIG P320 X-Full Size steel trigger
    • 2 17 round X-Series magazines
    • Beveled magazine well
    • Rail for mounting light or laser
    • Special serial number range with WC prefix
    Weights shown are close approximations. Due to slight variations in all parts and/or custom option deviations, we cannot guarantee the weight to be 100% specific on any firearm.
  • Carry

    Wilson Combat gunsmiths and engineers have completely reworked a SIG SAUER P320 chassis and unfinished SIG manufactured compact slide into a "Professional" size, full-size grip with 3-slot accessory rail for a portable, yet full-capacity 9mm handgun. Using the all-new Wilson Combat SIG P320 Carry grip module, our in-house re-machined slide, and Wilson Combat performance battle sights, the Wilson Combat Optimized WCP320 Carry will become a favorite of those who want a smaller than full-size striker-fired handgun that is perfect for defensive use and concealed carry.

    This robust, fast-handling pistol wears our Wilson Combat engineered polymer Carry-2 grip module with a 3-slot rail. This newly designed and manufactured grip has enhanced traction, smoother reloading, improved pointability, and superb recoil control in dynamic shooting. This grip turns an already solid platform into an ergonomic shooting machine.

    The WCP320 Carry’s compact slide has been machined with the Wilson Combat X-TAC pattern for improved manipulation under stress. The front and rear cocking serrations, as well as the slide top, wear this signature Wilson Combat pattern.

    The stainless steel slide and chromoly barrel wear the most advanced black DLC (Diamond-like-Carbon) physical vapor deposition finish available. This finish has chromium and tungsten underlayers for long-lasting corrosion and abrasion resistance.

    The SIG SAUER flat-faced XFULL trigger is standard on the WCP320 and gives shooters a lower finger position on the trigger which increases leverage for a lighter, smoother trigger pull. The pull can be further enhanced by Wilson Combat gunsmiths with our optional action tune using Grayguns custom trigger parts.

    Key Details
    • Available calibers: 9mm
    • Base price: $1,255 (9mm)
    • Magazine capacity: 17 rounds
    • Barrel length: 3.9"
    • Overall length: 7.5"
    • Sight radius: 5.75"
    • Height: 5.5"
    • Width: 1.5"
    • Weight empty: 26.8 oz
    • Weight loaded: 34.2 oz
    • Options PRIOR to shipment:
      • Change module color
      • Install optic on direct milled slide (cover plate and rear Battlesight)
    Specifications
    • Wilson Combat P320 Carry II module
    • Wilson Combat X-TAC P320 Carry slide with machine bevels
    • Black DLC finish on slide/barrel
    • X-TAC pattern front and rear cocking serrations
    • X-TAC pattern on slide top
    • Carry cut
    • Wilson Combat logo on slide
    • Wilson Combat Battlesight with red fiber optic front sight
    • SIG factory magazine release
    • SIG factory slide Stop
    • SIG P320 X-Full Size steel trigger
    • 2 17 round X-Series magazines
    • Beveled magazine well
    • Rail for mounting light or laser
    • Special serial number range with WC prefix
    Weights shown are close approximations. Due to slight variations in all parts and/or custom option deviations, we cannot guarantee the weight to be 100% specific on any firearm.
  • Compact

    Using the Wilson Combat SIG P320 X-Compact grip module, our in-house re-machined Compact slide, and Wilson Combat performance Battlesights, the Wilson Combat WCP320 Compact is our smallest 320 option for concealed carry and defensive use yet retains the legendary reliability this series is famous for.

    This fast-handling and concealable pistol wears our Wilson Combat engineered polymer X-Compact grip module with a 3-slot rail. This updated grip has enhanced traction, smoother reloading, improved pointability, and superb recoil control in dynamic shooting. This grip module turns an already solid platform into an ergonomic shooting machine.

    The WCP320 Compact slide has been machined with the Wilson Combat X-TAC pattern for improved manipulation under stress. The front and rear cocking serrations, as well as the slide top, wear this signature Wilson Combat pattern.

    The stainless steel slide and chromoly barrel wear the most advanced black DLC (Diamond-like-Carbon) physical vapor deposition finish available. This finish has chromium and tungsten underlayers for long-lasting corrosion and abrasion resistance.

    The SIG SAUER flat-faced XFULL trigger is standard on the WCP320 Compact and gives shooters a lower finger position on the trigger which increases leverage for a lighter, smoother trigger pull. The pull can be further enhanced by Wilson Combat gunsmiths with our optional action tune using Grayguns custom trigger parts.

    Key Details
    • Available calibers: 9mm
    • Base price: $1,255 (9mm)
    • Magazine capacity: 15 rounds
    • Barrel length: 3.9"
    • Overall length: 7.5"
    • Sight radius: 5.75"
    • Height: 5.5"
    • Width: 1.5"
    • Weight empty: 26.4 oz
    • Weight loaded: 33.1 oz
    • Options PRIOR to shipment:
      • Change module color
      • Install optic on direct milled slide (cover plate and rear Battlesight)
    Specifications
    • Wilson Combat P320 X-Compact module
    • Wilson Combat X-TAC P320 Carry slide with machine bevels
    • Black DLC finish on slide/barrel
    • X-TAC pattern front and rear cocking serrations
    • X-TAC pattern on slide top
    • Carry cut
    • Wilson Combat logo on slide
    • Wilson Combat Battlesight with red fiber optic front sight
    • SIG factory magazine release
    • SIG factory slide Stop
    • SIG P320 X-Full Size steel trigger
    • 2 15 round X-Series magazines
    • Beveled magazine well
    • Rail for mounting light or laser
    • Special serial number range with WC prefix
    Weights shown are close approximations. Due to slight variations in all parts and/or custom option deviations, we cannot guarantee the weight to be 100% specific on any firearm.
  • Warranty Information

    Since the WCP320 is a joint collaboration between Wilson Combat and SIG SAUER we have agreed to handle customer service for the following: Accuracy, reliability, sights, and slide/ grip defects. SIG SAUER will be the appropriate service location for any broken or defective SIG SAUER factory parts excluding the slide.

    DISCLAIMER: "SIG" is a federally registered trademark of SIG SAUER Inc. and is one of many trademarks owned by SIG SAUER Inc.

    Neither Wilson Combat nor this website is affiliated in any manner with or otherwise endorsed by SIG SAUER Inc. The use of "SIG" or "SIG SAUER" on this page is merely to advertise the sale of SIG pistols, parts, or components. For genuine SIG SAUER Inc. products and parts, visit SIG SAUER.

    NOTE: The Grayguns P320 Competition Hybrid Trigger System for the SIG Sauer® P320 is a drop-in, enhanced trigger package with competition sear for your P320 that reduces trigger weight as low as 4 pounds while preserving all mechanical safety values. Includes our hybrid trigger, with built-in over-travel adjustment. Includes our hybrid trigger, with built-in over-travel adjustment. This system is for competition or range use only.

  • Video: The Wilson Combat/Sig-Sauer WCP320 Full Size

  • Video: The Wilson Combat/Sig-Sauer WCP320 Carry

  • Image Gallery

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