SIG Sauer P320 XSeries XFull 9mm - RXX Package with ROMEO-X Pro, 4.7 in Barrel, 17+1 Capacity, Nitron Slide, LE Surplus
This full-size SIG Sauer P320 XSeries XFull 9mm is the factory RXX Package with a ROMEO-X Pro red dot installed and co-witness capable with standard-height irons. It features the 4.7 in XFull configuration, a flat-faced trigger, and the modular stainless-steel FCU. Offered as law-enforcement issue surplus now available to the civilian market, it presents in as-new condition and includes three 17-round magazines. The factory case label is dated 23-OCT-2024, and the observed FCU serial matches the case label.
Condition
Overall Condition: As-new condition with no signs of prior handling beyond what’s typical from inspection (see photos).
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: It appears unused beyond factory test firing and routine handling during inspection.
What's Included
- SIG Sauer ROMEO-X Pro red dot optic (installed)
- Three 17-round SIG Sauer factory steel magazines
- SIG Sauer factory hard case (gray)
- SIG Sauer manuals and documentation
The XSeries XFull configuration delivers a 4.7 in barrel, full-size grip, and 17+1 capacity in a striker-fired system. The flat-faced trigger offers a straight press within the P320’s modular fire control architecture.
The Nitron-finished slide includes front and rear cocking serrations and the Pro-footprint direct-mount interface. The factory-installed ROMEO-X Pro red dot comes as part of the RXX Package and is co-witness capable with standard-height irons. A front night sight with a green lamp is installed.
The XSeries polymer grip module adds an extended beavertail and high undercut for secure purchase. Ambidextrous slide catch levers and a full-length M1913/Picatinny accessory rail support duty or home-defense mounting needs.
A modular stainless-steel FCU serves as the serialized core within a stainless receiver chassis, and this pistol is manufactured in the United States (SIG, Newington NH). It is stated as law-enforcement issue surplus with no specific agency markings observed, now offered on the civilian market. The factory case label is dated 23-OCT-2024, and the FCU serial observed on the pistol matches the case label. Manufacturer part number is W320F-9-BXR3-PRO-RXX.