The Glock G45 Gen5 is a full-size 9mm pistol with a 4.02-inch barrel and front serrations for positive slide manipulation. It ships with 17-round magazines and a Flat Dark Earth polymer frame finish. Fixed sights are standard from the factory. 
 

Key Specifications 

• Brand: Glock 
• Model: G45 Gen5 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 17+1 rounds 
• Barrel Length: 4.02 inches 
• Color/Finish: Flat Dark Earth (FDE) 
   

Detailed Features 

• Front serrations on slide for press-check and positive manipulation 
• 17-round magazine capacity 
• Gen5 polymer frame with Flat Dark Earth finish 
• Fixed rear sights 
• 4.02-inch barrel

Owners of the G45 Gen5 consistently point to its reliability as the main draw. The Gen5 trigger and flared magwell make a noticeable difference coming from earlier generations, and the front serrations are appreciated by those who prefer to run press-checks without sweeping the muzzle.

The FDE finish draws mixed reactions. Some buyers specifically seek it out for aesthetics or to pair with complementary gear; others find the color inconsistent depending on lighting and treat it as cosmetic rather than functional.

Value is generally seen as fair for a factory Glock in this configuration. The G45 Gen5 competes with other full-size 9mm pistols in its price band, and the aftermarket depth keeps long-term ownership costs predictable. The trigger is adequate for most uses, though a vocal subset upgrades it early.