Glock G34 Gen5 MOS 9mm Long-Slide, 5.31 in GMB Barrel, nDLC Finish, Tall Metal Sights, 2x 17-Rd Mags, with original case
This Glock G34 Gen5 MOS stands out as a long-slide 9mm built for precision and control. It features the Glock Marksman Barrel with polygonal rifling and an improved crown, an nDLC-finished slide with MOS optics interface and cover plate installed, and tall-profile metal sights with a front sight marked 'TG-H3'. Gen5 updates include ambidextrous slide-stop levers, a flared magwell, and a grip without finger grooves. Austrian proof marks and matching serial numbers on the slide, barrel, and frame round out a clean, well-equipped example.
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; clean, well-defined bore surfaces.
Specific Condition Notes: There are minimal handling marks present. Please refer to the photos for close-up views.
What’s Included
- Two 17-round factory Glock 9mm magazines (baseplates marked 1587-01)
- Glock magazine speed loader
- Owner's Manual
- Glock Important Safeguards booklet
- Original Glock factory hard case
Note: Original Glock factory hard case included.
The G34 long-slide format delivers a 5.31 in barrel and approximately 7.5 in sight radius, with an overall length of 8.74 in. It is a full-size 9mm pistol with a 17+1 capacity.
The barrel is Glock's Marksman Barrel (GMB) with polygonal rifling, an improved crown, and a durable nDLC finish. The slide also wears the nDLC coating and provides both front and rear serrations for positive manipulation.
The MOS slide comes with the cover plate installed, offering the Glock Modular Optic System interface. Gen5 features include ambidextrous slide-stop levers and a grip without finger grooves. The textured grip and flared magwell support secure handling and efficient reloads.
Sights are tall-profile metal units, with the front sight marked 'TG-H3'. The extended sight radius complements the long-slide configuration.
Markings include Austrian proof marks on the barrel, a Made in Austria frame marking, a GLOCK, Inc., Smyrna, GA import mark, and an AT marking on the barrel hood. The slide, barrel, and frame carry matching serial numbers.




