Glock 31 Gen3 .357 SIG Full-Size Pistol, Austrian-Made, 4.49 in Barrel, Fixed Sights, 4x 10-Round Mags, Factory Case
This Austrian-made Glock 31 Gen3 is a full-size .357 SIG with the PI3150201 fixed-sight configuration. It comes with four factory 10-round magazines, the original Glock hard case with matching label, and key accessories. Matching serial numbers on the barrel and frame, a nitrided steel barrel, and excellent bore condition make this example stand out for buyers who want a clean, complete setup.
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 handling marks are present from prior use. See photos for details.
What’s Included
- Glock factory hard case with label (PI3150201)
- Owner's manual
- Four Glock factory 10-round .357 SIG polymer magazines
- Glock OEM polymer magazine speed loader
- Gun & Flower (GF) Kydex IWB holster with polymer belt clip
The Glock 31 Gen3 is Glock's full-size .357 SIG platform, offering the Gen3 frame with finger grooves and a dustcover accessory rail. This example is the Austrian-made fixed-sight configuration (PI3150201) with matching serial numbers on the barrel and frame.
The pistol uses a 4.49-inch nitrided steel barrel and Glock’s striker-fired Safe Action system. Sights are the fixed factory set: a white dot front and a white-outline U-notch rear, paired with rear slide serrations for straightforward manipulation.
Controls are the standard Gen3 layout, including a single-sided left magazine release and a left-side slide stop. The polymer frame features the Gen3 grip with finger grooves and an accessory rail for mounting a light or similar device.
This listing is rounded out with four factory 10-round magazines, the labeled Glock hard case, the owner's manual, a Glock OEM magazine speed loader, and a Gun & Flower Kydex IWB holster—providing a complete, ready-to-use package in a sought-after .357 SIG configuration.