The Glock 34 Gen 3 is a full-size semi-automatic pistol chambered in 9mm Luger with a 5.31-inch barrel. It has a 17+1 capacity, weighs 25.77 oz unloaded (33.33 oz loaded), and has an overall length of 8.82 inches. The frame is polymer with a standard grip. Finish is black. Sights are adjustable Glock sights. Action is Safe Action (DAO). 
 

Key Specifications 

• Brand: Glock 
• Model Name: G34 Gen 3 
• Caliber: 9mm Luger 
• Action: Safe Action (DAO) 
• Capacity: 17+1 rounds 
• Barrel Length: 5.31 inches 
• Overall Length: 8.82 inches 
• Weight: 25.77 oz (33.33 oz loaded) 
• Frame Material: Polymer 
• Finish Color: Black 
• Sights Configuration: Adjustable Glock Sights 
• Grip Type: Standard polymer grip 
   

Detailed Features 

 
The 5.31-inch barrel extends the sight radius compared to standard Glock models and helps manage recoil during rapid fire. Adjustable sights let shooters set point of impact to personal preference or competition conditions. The 17+1 capacity reduces reload frequency in high-volume scenarios. The standard polymer grip is comfortable for extended handling. 
 

Usage Scenarios 

• IDPA and other competition formats where the longer barrel, adjustable sights, and capacity are useful. 
• Home defense where magazine capacity and reliable function matter. 
• Training and practice where the consistent trigger pull aids skill development.

The Glock 34 Gen 3 is well-regarded in competitive shooting circles. The 5.31-inch barrel is the most-cited advantage, with users reporting improved accuracy at distance. Glock reliability translates to the 34 without issue: owners frequently note it runs cleanly across ammunition types. Adjustable sights get positive marks for customization, and the modular design supports common aftermarket modifications.

On the critical side, the longer barrel makes the pistol bulkier than compact models, which affects maneuverability in some competition stages. The stock trigger pull, while acceptable to most, is a target for improvement among faster competition shooters. Aesthetics draw occasional mild criticism compared to custom-built or other-brand alternatives, though function consistently takes priority in most discussions. Price is considered fair by most users, though casual shooters sometimes look at lower-cost options.