SIG Sauer P320 Custom Works AXG Spectre 9mm Compact with Metal AXG Frame, ROMEO-X Red Dot, Night Sights, 3.6 in Barrel, 3x 17-Round Magazines
This factory SIG Custom Works P320 AXG Spectre stands out with its metal AXG grip module, Spectre-pattern slide, and an installed SIG Sauer ROMEO-X red dot. It is a documented U.S.-made, recent Custom Works release, and comes with both the Negrini–SIG Custom Works hard case and the original factory case, three 17-round SIG magazines, and the matching Custom Works certificate. The lock code on the included case is set to 000.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Light signs of wear and handling are present, with some superficial surface scratches visible under close inspection.
What’s Included
- Three 17-round SIG Sauer OEM steel magazines
- SIG Sauer AXG G10 grip panels (installed)
- Grayguns Competition Adjustable Straight Trigger, black oxide (installed)
- Original factory trigger
- SIG Sauer ROMEO-X red dot optic (installed)
- Optics cut cover plate
- Negrini–SIG Custom Works hard case (foam-fitted)
- Original factory case
- SIG Custom Works coin
- SIG Custom Works certificate
- Factory test target
This AXG Spectre is a factory SIG Custom Works build on the P320 platform in 9mm Luger, compact size, with a 3.6 in barrel and 17+1 capacity. Documentation is dated January 2025, and a SIG Custom Works certificate with matching serial (FCU prefix) is included. Country of origin is the USA.
The AXG metal grip module provides an extended beavertail, checkered frontstrap and backstrap, and replaceable panels. Gray textured SIG-branded grip panels are installed, offering a secure, repeatable hold with the AXG ergonomics.
The Spectre-pattern slide features forward and rear cocking serrations, a sculpted top with X-shaped relief, a top window, and lightening windows near the muzzle. It is optics cut. The dust-cover incorporates a 3-slot Picatinny-type accessory rail. The barrel hood is marked 9mm x 19, and the frame is marked SIG SAUER INC., NEWINGTON-NH-USA; the case label notes Made in United States.
Factory night sights are installed, with a front blade carrying a green ring and a rear back-up notch. A SIG Sauer ROMEO-X red dot is mounted, and the optics cut cover plate is included.
This striker-fired pistol uses a flat-faced trigger. A Grayguns Competition Adjustable Straight Trigger (black oxide) is installed, with the original factory trigger included. Three 17-round SIG Sauer OEM steel magazines are provided. The Negrini–SIG Custom Works hard case is foam-fitted; the lock combination is set to 000.




