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Questions & Answers
Will this accept the 21 rd mags Expert Answer

Yes. The Wilson Combat Sig Sauer WCP320 Full-Size Grip Module fits 15 round and higher capacity P320 magazines.

by Ethan, Gear Expert, October 2, 2023
Will the Wilson Combat P320 Full Size Grip Module take the Sig Sauer Magwell?

No it has its own magwell

by Al, Verified Owner, November 27, 2024
Customer Reviews
Helpful Positive Review
great product by Justin, Verified Owner, November 23, 2023
Works great for m17. A little slimmer than stock which is perfect. Buyer beware you will need to purchase the replacement safety pin if you have the version with a thumb safety.
2/2 found this helpful
Most Recent Reviews
Wilson grip is the best fit for me by Toyo, Verified Owner, June 8, 2025
Love this grip module! Way better than original for me. No functional issues or clearance discrepancies when installing the included magazine button or when swapping in the fcu. Add the tungsten weights...its worth it!
Most Recent Reviews
Nice Grip at a good price by Mike, Verified Owner, May 2, 2025
Used the full-size grip on P320 Carry slide w/ threaded 4.6" barrel and compensator. Everything fits perfectly and looks great and was a great price. Fits well in my hand, comfortable texture that's not too aggressive. Only con is I wish I could ad...
Read More...
Most Recent Reviews
Wilson Combat grip module. by Texas Dave, October 29, 2023
I learned about the quality of Wilson Combat products from my firearms enthusiasts friends. I figured the design of these grip modules would be advantageous for my Sig. P320 full size 9mm so I ordered one from Optics Planet who offered a good price a...
Read More...
0/1 found this helpful
Most Recent Reviews
Wilson Sig frame by Terminator, February 28, 2025
This frame is amazing! The texturing of the grip is exactly what I look for on a frame. Plus, the extended dust cover adds versatility to mounting a light/laser. I’ve already tried it at the range and runs great!
Most Recent Reviews
Better grip by Three Zero Five Patriot Supply, Verified Owner, December 29, 2024
A bit slimmer than the OEM grip. It let's you grab more real-estate for a better grip.
Read All 30 Reviews
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Product Info for Wilson Combat Sig Sauer WCP320 Full-Size Grip Module

The impressive modular capability of the SIG-SAUER P320 is why it has become a favorite with practical shooters and its thoroughly tested design will be the official US Military sidearm for many years to come.image

Wilson Combat has now reengineered the P320 grip frame to optimize its practical shooting potential. This all new molded polymer grip module will enhance your grip and improve recoil control. Our significant improvements in shape, texture and overall ergonomics will give your P320 the superb feel of an expertly hand sculpted custom gun with a simple grip change.

Wilson Combat fresh look at the P320 grip module incorporates the suggestions of tactical trainers, champion shooters and firearms experts into the final product that has a look that is unmistakably Wilson. We believe it is the most practical, comfortable and stylish P320 grip available and the ideal choice for practical shooting or defensive handgun use.

Specifications for Wilson Combat Sig Sauer WCP320 Full-Size Grip Module:

Manufacturer: Wilson Combat
Gun Make: SIG Sauer
Gun Type: Pistol
Gun Model: SIG Sauer P320 Full Size
Grip Type: Pistol Grip
Condition: New
Additional Features: No Manual Safety
Fabric/Material: Polymer

Features of Wilson Combat Sig Sauer WCP320 Full-Size Grip Module

  • Caliber Availability - 9mm, .40 S&W, .357 SIG
  • Upgraded, high-cut 1911-style beavertail grip tang for smooth draws
  • Undercut front-strap and reshaped, radiused trigger guard for the highest grip possible
  • Enlarged, integrated magwell opening for fast reloads-compatible with the latest generation SIG-SAUER X-series factory basepads
  • Improved grip traction and increased grip pattern coverage with Wilson Combats exclusive Starburst grip pattern on the sides and aggressive texturing on the front and backstrap
  • Frame reference serrations for support hand thumb or index finger positioning
  • Internal Slots for Rod-style Tungsten Weights
  • Angled Holster Cuts on light rail to aid in snag-free, reholstering
  • Factory SIG-SAUER magazine release, spring, and lock included
  • Compatible with all standard holsters
  • Compatible with all current production, X-Series basepads

Package Contents:

  • Wilson Combat Sig Sauer WCP320 Full-Size Grip Module
  • Magazine Release Button
  • Spring

Wilson Combat Sig Sauer WCP320 Full-Size Grip Module Orderable Models

List of Orderable Models

  • Wilson Combat Sig Sauer WCP320 Full-Size Polymer Grip Module, Black, 320-FSB , MPN: 320-FSB , UPC: 810025502676 , Code: C0-PGM-WCP320FS-320-FSB
  • Wilson Combat Sig Sauer WCP320 Full-Size Polymer Grip Module, Tan, 320-FST , MPN: 320-FST , UPC: 810025502683 , Code: C0-PGM-WCP320FS-320-FST

Wilson Combat Sig Sauer WCP320 Full-Size Grip Module Unavailable & Discontinued Models

List of Unorderable Models

  • USED Wilson Combat Sig Sauer WCP320 Full-Size Polymer Grip Module, Black, 320-FSB, EDEMO2, Used, Condition Fair , MPN: 320-FSB-EDEMO2 , Code: C0-PGM-WCP320FS-320-FSB-EDEMO2
  • USED Wilson Combat Sig Sauer WCP320 Full-Size Polymer Grip Module, Black, 320-FSB, EDEMO3, Used, Condition Fair , MPN: 320-FSB-EDEMO3 , Code: C0-PGM-WCP320FS-320-FSB-EDEMO3
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