SIG-SAUER® P320/P365 Customization

Wilson Combat is now offering custom pistol performance enhancements for 9/357/40 SIG-SAUER® P320/P365 Series handguns. Take advantage of our performance options including Armor-Tuff® coatings, enhanced sights, superior action work, and our signature polymer grip modules. Our specially selected modifications are done for more than just aesthetics, each modification was chosen for a defined, performance-enhancing purpose.

Custom Finishes

SIG-SAUER® firearms can be finished in a variety of different ways. Ranging from oxidized, to our variety of Armor-Tuff®, Combat-Tuff, and Camouflage slides. For more information on what makes Armor-Tuff® and it’s variants so unique please check out our FAQ section.



Wilson Combat parts for the SIG-SAUER® P320 series have been developed by our shooters, engineers, and gunsmiths to provide enhanced quality and superior performance on the range. Turn your factory SIG-SAUER® P320 into an elite shooting machine with our selection of competition and duty grade parts and accessories.  Click our order form for the parts and services we currently offer.

Price List



*We will only work on P320 & P365 pistols.

*We will not work on firearms that have been previously modified by anyone other than the Wilson Combat Custom Shop.

*Any and all work performed is up to the discretion of the Custom Shop Manager.

*Please do not send items not necessary for custom work. Example: Gun rugs or cases, bushing wrenches, magazines, etc.

*All weapons left in care of the shop are done so at your own risk.

*Due to Federal Regulations – customers’ firearms must be returned to the address from which they were received.

*If you have a change of address, written request for such change is required.

*If your firearm is shipped from an FFL dealer, it must be returned to the same FFL dealer.

*Minimum Custom Work order is $100. If work requested is under this amount, the invoice will be adjusted accordingly.

* If your firearm is being customized in a way that includes machining or mill work then you are required to purchase a refinish.

*Quoted lead times on custom work are approximations. We do our best to adhere to time frames but with all true firearm customizations, these times can vary. Please be patient while your custom work is completed as we are working diligently.

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 site are affiliated in any manner with, or otherwise endorsed by, SIG SAUER Inc. The use of “SIG” on this page is merely to advertise the sale of SIG pistols, parts, or components. For genuine SIG SAUER Inc. products and parts visit

We recommend that you use a reliable carrier such as UPS (Highly recommended) or Federal Express. We also recommend that you insure any firearm(s) that you ship to us. Overnight shipping is required by UPS/Fedex for handguns. The use of UPS/Fedex Ground Service is allowed for all long guns.  You may also ship long guns via USPS.