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.

Armor-Tuff® colors

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
Wilson Combat's Custom Work Gallery



* You must obtain an RMA and shipping label from Customer Service BEFORE sending in your firearm. Please call 800-955-4856.

*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

To send your firearm to Wilson Combat for Custom Work, you must first call Customer Service at 800-955-4856 to obtain an RMA # and Return Label. Firearms will not be accepted for Custom Work without the proper RMA and label.