The Beretta M9A4 Overlanding is a full-size 9mm semi-automatic pistol with a 5.1-inch barrel and an 18-round capacity. It has a Lunar Cerakote finish applied to the slide and frame. The threaded barrel version is noted across multiple vendor listings. 
 

Key Specifications 

• Brand: Beretta 
• Model: M9A4 Overlanding 
• Caliber: 9mm 
• Action: Semi Auto 
• Barrel Length: 5.1 inches 
• Capacity: 18+1 rounds 
• Color/Finish: Lunar Cerakote 
   

Detailed Features 

• 5.1-inch barrel, noted as threaded in vendor listings 
• 18-round magazine capacity 
• Lunar Cerakote finish on the slide and frame 
• Full-size M9A4 platform with the Overlanding configuration

Owners of the M9A4 Overlanding tend to appreciate the Lunar Cerakote finish, which stands out from the standard dark military-style M9A4. The 18-round capacity and 5.1-inch barrel are consistent draws for range shooters who want a full-size duty pistol with some personality. Most find the build quality typical of the M9 lineage, solid and predictable.

Ergonomics draw predictable responses. The grip angle and double-stack grip on the M9A4 platform work well for shooters with larger hands, though those with smaller hands sometimes find it a stretch. The threaded barrel adds utility for those who run a suppressor, though it does add length to an already full-size handgun.

Value opinions on the Overlanding variant are mixed. Some buyers feel the Cerakote finish and Overlanding branding justify the price premium over a standard M9A4; others see it as a cosmetic difference and question whether it warrants the extra cost. The aftermarket for M9-pattern pistols is wide, which helps long-term ownership.