SIG SAUER is offering a voluntary program for P320 pistols. This will include an alternate design that reduces the physical weight of the trigger, sear, and striker while additionally adding a mechanical disconnector.
3 Steps To Upgrading Your SIG SAUER P320 Pistol
- Have your P320 serial number and home address available.
- Fill out the Voluntary Upgrade Sign-Up Form — one serial number per form submission.
- SIG SAUER will contact you regarding the best method for you to get your P320 pistol to them.
Once SIG SAUER receives your P320 pistol, they will apply the upgrades, test it, and then return itto you free of charge.
If you run into any issues, please call Customer Service and they will help you through the process. Customer Service can be reached at (603)610-3000 Option 1, from Monday through Friday, 8:30 a.m. through 6:00 p.m. EST.
If you own multiple P320s, you will need to enter each P320 serial number separately.
How to locate your P320 Serial Number
Your P320 serial number can be found by looking on the right side of the pistol grip. The serial number will be stamped into the receiver. This number should be entered into the first entry field of the form. SKU will automatically populate if your P320 is on a qualified list of U.S. Domestic consumer serial numbers.
With some exceptions, most U.S. Domestic Consumer P320 serial numbers begin with “58A”, “58B”, or “58C”, followed by six numbers.
- Example: 58Axxxxxx
NOTE: There are no “i”s or “o”s in the numerical portion of the serial number.