Glock G34 Gen 3 9mm Long-Slide Pistol, 5.31 inch Barrel, Adjustable Rear Sight, Matte Black
This Glock G34 Gen 3 stands out for its long-slide configuration with a 5.31 inch barrel and distinctive oval top lightening window. It features extended controls and adjustable sights, and it bears Austrian/C.I.P. proof marks with a "GLOCK, Inc., Smyrna, GA" import mark. The slide, barrel, and frame insert have matching serial numbers, and the pistol is in excellent overall condition.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This pistol shows minimal handling marks from prior use. Please refer to the photos for a detailed view of the surfaces and markings.
What’s Included
- Glock factory plastic hard case
- Owner's Manual
- 2x 10-round Glock factory 9mm double-stack polymer magazines (Glock-marked)
Built on Glock's polymer frame, this full-size Gen 3 G34 uses a striker-fired, locked-breech, short-recoil action with the Safe Action system. The slide is matte black with rear serrations and the long-slide profile that defines the model.
The 5.31 inch steel barrel and long slide help deliver a stable sight picture. The top of the slide has an oval lightening window, and the slide is marked "GLOCK 34 AUSTRIA 9x19," with the barrel hood marked "9x19."
Sights include an adjustable rear and a polymer front with a white insert, providing a clear, practical sight picture. Controls are set up with an extended slide stop lever and an extended magazine release for easy manipulation.
The frame provides a single-slot Glock accessory rail and pebble-textured grip panels. Capacity is 10+1 with the included 10-round magazines.
Originating from Austria, this pistol carries Austrian/C.I.P. proof marks along with the "GLOCK, Inc., Smyrna, GA" import mark. The barrel, slide, and frame insert share matching serial numbers, underscoring its uniform assembly.

