The Glock G30 Gen4 is a .45 ACP subcompact pistol with a 3.78-inch cold hammer-forged barrel and a 6.97-inch overall length. It weighs 26.3 oz (1.64 lbs) and holds 10+1 rounds. The polymer frame is matte black, and the sights are fixed: white dot front, two-dot rear. 
 

Key Specifications 

• Manufacturer: Glock 
• Model: G30 Gen4 
• Caliber: .45 ACP 
• Action Type: Safe Action (Striker Fire) 
• Capacity: 10+1 rounds 
• Barrel Length: 3.78 inches 
• Overall Length: 6.97 inches 
• Weight: 26.3 oz (1.64 lbs) 
• Frame Material: Polymer 
• Finish Color: Black Matte 
• Sights Configuration: Fixed white dot front / two-dot fixed rear 
   

Detailed Features 

 
Glock's Safe Action system uses three independently operating safeties (trigger safety, firing pin safety, and drop safety), that all disengage on trigger pull. The Gen4 frame has interchangeable backstraps to adjust grip size. The cold hammer-forged barrel is the same spec found across the Glock line, delivering consistent accuracy and long service life. At 26.3 oz, the G30 is on the heavier end for a subcompact, but the .45 ACP caliber creates a different trade-off expectation than 9mm or .380 subcompacts. 
 

Usage Scenarios 

 
The G30 works well as a home defense pistol where carry weight is less of a factor. For concealed carry, the subcompact frame makes it viable in IWB or OWB holsters despite the .45 ACP profile. On the range, the fixed sights and Safe Action trigger are consistent, and .45 ACP ballistics are worth practicing regularly.

The G30 Gen4 gets the respect you'd expect from a Glock .45 ACP subcompact. Reliability is the dominant positive. Owners consistently report minimal malfunctions across high round counts, which is the primary reason most buyers chose a Glock in the first place. The .45 ACP caliber gets positive marks for stopping power, and the Safe Action system is appreciated for predictable operation.

The main negatives track the trade-offs of fitting .45 ACP in a subcompact: at 26.3 oz, it's heavier than most subcompacts, and .45 ACP recoil is more noticeable than 9mm at the same size. The 10+1 capacity draws comparisons to modern 9mm micro-compacts that carry more rounds in a smaller package. Aftermarket options are more limited than for the more popular G17/G19 frames. Trigger feel is the usual Glock-style divider. Some owners run it as-is, others swap components.

For buyers who specifically want .45 ACP in a compact package and trust the Glock platform, the G30 Gen4 delivers exactly what's expected.

The Glock G30 Gen4 has become one of my go-to .45s. It’s compact but packs a punch with a 10+1 capacity, and for a .45, it's surprisingly manageable. I remember the first time I shot it. That solid push of the .45 ACP recoil was there, but not unmanageable like some bigger .45s. It’s thicker than a Glock 19, for sure, but that added grip makes it easier to control, especially under rapid fire. The modular backstraps help if you've got medium-sized hands like mine, and that standard Glock trigger is something I’ve gotten comfortable with over time. It's not as sleek as a 1911, but it makes up for that in reliability and capacity. If you’re a Glock shooter looking to step into .45 territory without sacrificing size or comfort, the G30 Gen4’s got you covered.

This compact .45 fits me very well for daily concealed carry, especially with the medium backstrap installed. The trigger feels notably nice, even better to me than the trigger on my Gen 4 Glock 22. After adding stainless accessories, I fired 210 rounds without a single problem. Those rounds included 200 grain FMJ and ten Hornady 200 grain XTP hollow points. The compact frame remains comfortable in my hands while giving me the .45 chambering I enjoy. The fit and trigger stand out every time I handle it, while that problem-free session confirmed how much I like shooting it. Mine has been enjoyable at the range and remains a very comfortable part of my everyday carry routine.