SIG Sauer P320 X-Series Carry Pro 9mm 3.9" Barrel, LE Agency Vault Allocation, 17+1 Capacity
This P320 X-Series Carry Pro comes from SIG Sauer’s limited Law Enforcement “Agency Vault” production run, making civilian examples hard to find. Built around the modular, serialized fire-control unit, it combines the controllability of a full-size grip with a compact 3.9-inch barrel and slide. Factory X-RAY3 tritium sights, a flat-faced trigger, and an optic-cut Nitron slide complete a duty-ready package that arrives in unfired, as-new condition.
Condition
Overall Condition: As-new condition with no signs of prior handling beyond what’s typical from inspection (see photos).
Bore Condition: Excellent – Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling – Sharp lands and grooves.
Specific Condition Notes: The pistol appears unused beyond the factory test fire.
What’s Included
- SIG Sauer factory hard case (gray polymer)
- 3 × 17-round steel SIG Sauer magazines with orange followers
The Carry Pro is part of SIG’s X-Series lineup, featuring an enhanced polymer grip module with an integral beavertail, high undercut, and aggressive texturing for secure control. The flat-faced X-Series trigger offers a straight-back press and consistent break, complementing the striker-fired action.
The stainless-steel slide wears SIG’s durable black Nitron finish and carries both forward and rear cocking serrations for easy manipulation. It is factory-milled for the SIG PRO optic footprint, supporting direct mounting of SIG ROMEO2, ROMEO1T, or Leupold DeltaPoint Pro red dots without adapter plates.
Inside, a stainless-steel 3.9-inch barrel delivers service-grade durability while keeping the overall length ideal for concealed or duty carry. Paired with the full-size grip, the pistol accepts 17-round magazines, giving maximum capacity in a compact slide length.
Because this model was allocated for law-enforcement agencies, retail availability is minimal. Its combination of proven P320 modularity, X-Series ergonomics, and LE-spec features makes it a compelling option for shooters seeking a factory-upgraded, ready-to-run sidearm.