Sig Sauer P320 Subcompact 9mm - 3.6 in Barrel, Tritium Night Sights, Matte Black, 4 Magazines, USA (W320SC-9-BSS)
This Sig Sauer P320 Subcompact offers the modular P320 design in a compact 9mm package with a 3.6 inch barrel, steel tritium night sights, and a matte black finish. It includes four factory magazines and a SIG hard case. The removable, serialized fire control unit is marked EXETER, NH, underscoring its U.S. manufacture and the platform’s modularity.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal markings from previous handling or use. The bore is bright and clean.
What’s Included
- SIG Sauer factory hard plastic clamshell case with fitted foam; exterior label shows W320SC-9-BSS
- 2x 15-round steel double-stack magazines (marked MADE IN ITALY; mix of flush and extended baseplates)
- 2x 12-round steel double-stack magazines (marked MADE IN ITALY; mix of flush and extended baseplates)
- Gun cable lock (sealed in bag)
The P320 Subcompact features Sig Sauer’s modular architecture with a removable serialized fire control unit. The FCU in this example is marked EXETER, NH, and the pistol is made in the United States. Its subcompact grip module is paired with a 3.6 inch barrel for a carry-friendly footprint.
Steel 3-dot tritium night sights provide low-light capability, with the rear sight side marked MH3 AO. The slide is matte black with front and rear cocking serrations and an external extractor.
The black polymer grip module has molded SIG SAUER panels and a textured, push-button magazine release. The stainless steel receiver and matte black finish complete a durable, duty-ready configuration. The dustcover is smooth and does not include an accessory rail, consistent with this subcompact variant.
Included magazines are factory steel double-stacks marked MADE IN ITALY, with a mix of flush and extended baseplates. Capacity is noted up to 15+1, and this pistol ships with the SIG factory case labeled W320SC-9-BSS, aligning with the factory configuration for night sights and subcompact format.




