SIG Sauer P320 X-Five 9mm, 5-inch Bull Barrel, X-Series, Wilson Combat Grip Module, 4x 21-Round Mags
This SIG Sauer P320 X-Five 9mm stands out with its 5-inch steel bull barrel, X-Series features, and a Wilson Combat full-size polymer grip module with Starburst texture installed. The slide includes three top lightening windows, front and rear serrations, and an optic cut with a removable cover plate that accepts the SIG ROMEO1. It comes with four 21-round Italian-made steel magazines and the original SIG X-Series grip module with flared magwell.
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: Light handling marks are present on close inspection. The bore is bright and clean. See the photos for detailed views of surfaces and edges.
What’s Included
- SIG Sauer factory hard case (label: 320X5-9-BAS)
- SIG Sauer owner's manual
- Wilson Combat P320 full-size polymer grip module with Starburst texture (installed)
- SIG Sauer P320 X-Series full-size polymer grip module with flared magwell (OEM, not installed)
- Four 21-round Italian-made steel magazines for the SIG P320
The P320 X-Five configuration features a 5-inch steel bull barrel and a full-size X-Series setup engineered for fast, stable shooting. A flat trigger and striker-fired action deliver a consistent pull and a clean break.
The slide is finished in black and machined with three top lightening windows and aggressive front and rear serrations. An optic cut with a removable cover plate is compatible with the SIG ROMEO1 when the plate is removed.
Sight alignment is quick with the fiber-optic front, and the rear sight/optic-plate setup can be configured to your preference. The grip module’s long dustcover carries a 1913 accessory rail for lights or lasers.
This example is upgraded with a Wilson Combat P320 full-size polymer grip module featuring Starburst texturing for a secure hold. The original SIG X-Series full-size grip module with flared magwell is also included, offering flexibility to configure the pistol to your preference.
The stainless steel receiver (FCU) provides a durable foundation, while the full-size frame supports 21+1 capacity. The package includes four 21-round magazines, the factory case labeled 320X5-9-BAS, and the SIG owner's manual. Country of origin is the USA.




