If you're a veteran, you may want to look at Proven Outfitters. They have the P320 Professional with X-ray sights and optic ready slide. I have the carry model for edc. Great gun.
They have it in stock for $535.
https://www.provenoutfitters.com/Sig-P320-Pro-Full-Size-X-Ray-Sights-9mm
They have it in stock for $535.
https://www.provenoutfitters.com/Sig-P320-Pro-Full-Size-X-Ray-Sights-9mm