The Tisas Arms PX-9 Gen3 Duty is a semi-automatic pistol chambered in 9mm Luger with a 4.12-inch carbon steel barrel. It has a 20-round capacity and an optic-ready slide, and comes in a Flat Dark Earth finish. The Gen3 Duty designation indicates the third-generation duty configuration. 
 

Key Specifications 

• Brand: Tisas Arms 
• Model: PX-9 Gen3 Duty 
• Caliber: 9mm Luger 
• Action: Semi Auto 
• Capacity: 20+1 
• Barrel Length: 4.12 inches 
• Color/Finish: Flat Dark Earth 
   

Detailed Features 

• 4.12-inch carbon steel barrel 
• Optic-ready slide for direct red dot mounting 
• 20-round magazine capacity 
• Flat Dark Earth (FDE) finish 
• Gen3 Duty configuration

Owners of the Tisas Arms PX-9 Gen3 Duty frequently highlight the 20-round magazine capacity as a standout feature for a pistol at this price point. The optic-ready slide makes it straightforward to mount a red dot without additional machining, which duty and competition-oriented owners find practical.

The FDE finish is generally well-received, though some owners report it being slightly more brown than the photos suggest. The carbon steel construction gives the PX-9 Gen3 a solid feel, and most owners find reliability good from the first range session without an extended break-in period.

The trigger on the PX-9 Gen3 Duty is a mixed point: some owners consider it a strength compared to other budget duty pistols, while others find it acceptable but not exceptional. The Gen3 updates are seen as meaningful improvements by owners familiar with earlier PX-9 variants.