Glock G23 Gen5 MOS .40 S&W Compact Pistol, 4.02 in Barrel, nDLC Finish, GMB, Austrian-Made, 5x 13-Round Mags
This Austrian-made Glock G23 Gen5 MOS is a compact .40 S&W with the Glock Marksman Barrel and a durable nDLC finish. It features Gen5 updates including ambidextrous slide-stop levers, no finger grooves, and a slight flared magwell, plus front and rear slide serrations and a MOS cut with the cover plate installed. It ships with five factory 13-round magazines, a Glock hard case, and a Glock magazine loader.
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 Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol is in great shape with minimal wear.
What’s Included
- Glock factory hard case
- 5x 13-round Glock factory .40 S&W compact magazines
- Glock polymer magazine speed loader
The Gen5 feature set stands out on this G23. It includes ambidextrous slide-stop levers, the removal of finger grooves, a slight flared magwell for easier reloads, and the Gen5 grip texture. The magazine release is configured on the left side.
The 4.02 in steel Glock Marksman Barrel provides enhanced accuracy potential and is paired with an nDLC-coated slide for increased surface hardness and corrosion resistance. The pistol maintains the compact G23 footprint with a 13+1 capacity in .40 S&W.
The slide has front and rear cocking serrations for confident manipulation. The MOS interface is factory cut with the cover plate installed and accepts Glock adapter plates.
Sights are Glock polymer fixed units with a white-dot front and a white U-notch rear. An accessory rail is integrated on the dustcover for mounting compatible gear.
Markings include Austrian/CIP proof marks on the barrel along with MADE IN AUSTRIA and GLOCK, INC., SMYRNA, GA rollmarks. The Safe Action system incorporates trigger, firing pin, and drop safeties.

