Glock G34 Gen5 MOS 9mm Long-Slide, 5.31-Inch GMB Barrel, Black, 17+1 — Adapter Plate 01 Installed
The Glock G34 Gen5 MOS is a full-size, long-slide 9mm built around precision and control. It features a 5.31-inch Glock Marksman Barrel with revised polygonal rifling and a revised crown, a Gen5 frame with no finger grooves, and a solid-top slide with rear serrations only. This example is Austrian-made, includes the MOS interface with Glock Optic Adapter Plate number 01 mounted, and comes with a 17-round factory magazine. Matching serials on the frame and slide and barrel proof marks with the "AT" barrel marking further document its origin.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent - Well-defined polygonal-style rifling consistent with the Glock Marksman Barrel.
Specific Condition Notes: Light, superficial handling marks are present. Glock Optic Adapter Plate 01 is mounted in the MOS cut.
What’s Included
- Glock factory hard case
- Glock Instructions for Use manual
- Glock MOS Adapter Plate 01 (installed)
- 1x 17-round Glock factory 9mm double-stack magazine
This G34 Gen5 MOS pairs a 5.31-inch long slide with Glock’s Marksman Barrel for consistent accuracy and a smooth sight radius. The barrel incorporates revised polygonal rifling and a refined crown, and the bore presents with a clean, mirror finish.
The Gen5 frame uses Glock’s latest texture and deletes finger grooves for a secure, neutral grip. An integrated accessory rail is molded into the dust cover. The pistol retains the Glock Safe Action system with a trigger safety.
The slide is finished in black and configured with rear serrations only and a solid top without a lightening window. The MOS interface is present and fitted with Glock Optic Adapter Plate number 01, as installed from the factory setup. Sights are Glock polymer notch-and-post with a white-dot front and black rear.
This 9mm Luger model is a full-size, 17+1 capacity pistol made in Austria. It carries barrel proof marks and the "AT" marking, with matching serial numbers on the frame and slide, underscoring factory originality. It includes one 17-round magazine, the Glock factory hard case, and the Instructions for Use manual.