Glock G23 Gen5 MOS .40 S&W Compact, 4.02 in GMB Barrel, nDLC Finish, Front Serrations, 13+1
This Glock G23 Gen5 MOS stands out as a compact .40 S&W with the Gen5 feature set, a Glock Marksman Barrel with revised crown and polygonal rifling, and an nDLC-finished slide and barrel. It includes the MOS optics interface with the factory cover plate installed, front and rear slide serrations, and ambidextrous slide stop levers. Matching serial numbers are present on the frame, slide, and barrel, and the pistol is import-marked as Austrian-made.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent - Polygonal rifling is crisp and well defined.
Specific Condition Notes: This pistol shows minimal wear from prior handling and use.
What’s Included
- Glock factory hard case (black clamshell)
- 1x 13-round Glock .40 S&W magazine
- Polymer magazine speed loader
The Gen5 MOS configuration adds Glock’s modular optics system cut to the slide, supplied here with the factory cover plate secured by two Torx screws. The slide wears Glock’s nDLC black finish and features front and rear cocking serrations plus a beveled nose profile. Fixed sights consist of a front blade and rear notch.
The 4.02 in Glock Marksman Barrel (GMB) uses polygonal rifling and a revised crown. The barrel hood is marked "40 S&W," and the barrel lug bears the Glock logo and "AI." The slide and barrel share the same nDLC finish.
Gen5 enhancements include ambidextrous slide stop levers, a flared magwell, Gen5 grip texture with no finger grooves, and a left-side magazine release. A Glock accessory rail with one slot is integrated into the dust cover for compatible lights or other rail-mounted accessories.
Import and origin markings read "MADE IN AUSTRIA GLOCK, INC., SMYRNA, GA, AUSTRIA." The included OEM magazine has witness holes numbered to 13 and is marked "40" and "1636-04." The pistol carries matching serial numbers on the frame, slide, and barrel. Manufacturer part number is PA235S202MOS.