Glock G34 Gen5 MOS FS 9mm, 5.31 in Long Slide, GMB Barrel, nDLC Finish, Fiber-Optic/Adjustable Sights, Made in USA, 3x 17-Round Mags
This Glock G34 Gen5 MOS FS stands out as a long-slide, competition-oriented 9mm with a 5.31-inch Glock Marksman Barrel, an nDLC finish, and a closed-top slide. It features the MOS system with adapter plate 02 installed, ambidextrous slide stop levers, and a flared magwell. The grip surfaces have been hand-stippled, and the pistol is set up with a green fiber-optic front sight and an adjustable rear sight. It is made in the United States and includes three 17-round magazines.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are some markings from previous handling and use. The grip surfaces have DIY stippling. Please refer to the photos for details.
What’s Included
- Glock factory hard case
- Owner's manual
- Three 17-round Glock factory 9mm double-stack magazines
The G34 Gen5 platform delivers a 5.31-inch Glock Marksman Barrel with a recessed crown and nDLC treatment, designed for consistent accuracy and durability. The long-slide configuration is paired with a closed-top slide and front and rear cocking serrations for confident manipulation.
This pistol uses Glock's Gen5 feature set, including ambidextrous slide stop levers and a flared magwell to support fast, efficient reloads; there is no front-strap relief cut. The polymer frame retains the accessory rail on the dustcover for mounting compatible lights.
Sight configuration is competition-friendly with a green fiber-optic front sight and an adjustable rear sight. The MOS system is present, and adapter plate 02 is installed, giving the slide a factory optics interface while maintaining the closed-top profile.
The slide wears a black nDLC finish, and the frame is black polymer. The grip surfaces have been hand-stippled for additional texture. It is marked "USA" on the slide with a "US" stamp on the barrel hood and Glock proof marks, reflecting its U.S. manufacture. Capacity is 17+1, and this example includes three 17-round factory magazines.