Glock G23 Gen4 .40 S&W Compact Pistol – Austrian made, fiber-optic sights, 3x 13-round mags, 4.02 in barrel
This Glock G23 Gen4 is a compact .40 S&W built on the Glock 19-size platform, made in Austria with importer markings and the AT barrel proof. It comes in excellent condition with a clean, mirror-finish bore. Notable upgrades include an installed red/green fiber-optic sight set, and it ships with three 13-round OEM magazines, the factory case, and Gen4 modular backstraps. Slide and frame carry matching serial numbers.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal evidence of prior use. The overall appearance is excellent, and the bore is clean and shiny.
What’s Included
- Glock factory hard case
- Three 13-round Glock OEM .40 S&W magazines marked "GLOCK AUSTRIA" (polymer)
- Glock, Inc. Important Safeguards manual/paperwork
- Glock Gen4 modular backstraps with beavertail options (not installed)
- Glock magazine loader
- Cleaning tools
- OEM sights
Built on the proven Gen4 platform, this G23 offers the Modular Backstrap System, a reversible Gen4-style magazine catch, enhanced grip texturing with finger grooves, and a Glock accessory rail. The compact frame provides the G19-size footprint in .40 S&W.
An aftermarket fiber-optic sight set is installed: a red fiber-optic front blade paired with a green two-rod fiber-optic rear. The original OEM sights are included in the case.
The steel barrel measures 4.02 inches, and the pistol uses Glock's striker-fired Safe Action system with a dual-recoil-spring assembly. Capacity is 13+1 with the included magazines, which are marked to 13 rounds.
Manufactured in Austria, this example features the "Glock, Inc., Smyrna, GA" importer marking and an AT mark on the barrel. The slide and frame bear matching serial numbers. Magazines are OEM Glock units marked "GLOCK AUSTRIA."