The Steyr M9-A2 is a 9mm double-action-only pistol with a polymer frame and 17+1 capacity. The trapezoid sight system is the most distinctive design element -- it differs from conventional three-dot sights and suits some shooters better for quick target acquisition. 
 

Key Specifications 

• Brand: Steyr 
• Model: M9-A2 
• Caliber: 9MM Luger (9X19 Para) 
• Action: Double Action Only (DAO) 
• Barrel Length: 4 inches 
• Overall Length: 7.90 inches 
• Weight: 1.7 lbs (27.20 oz) 
• Capacity: 17 rounds + 1 in chamber 
• Finish: Black 
• Frame Material: Polymer 
• Grip Type: Black Interchangeable Backstrap 
   

Features 

The DAO trigger has a pull of approximately 5.51 lbs. With no external hammer to cock, every trigger pull is the same weight, which some shooters prefer for consistency. The interchangeable backstrap lets you adjust the grip size for different hand dimensions. At 1.7 lbs with an empty magazine, the M9-A2 is light for a full-size pistol. The polymer frame handles regular use without issues, and the 17-round capacity means fewer reloads.

The Steyr M9-A2 draws consistent praise for its ergonomics and natural point of aim -- the grip angle works well for most shooters and the frame shape tends to feel comfortable after a range session. Accuracy and build quality are the most frequently cited positives, along with the 17-round capacity.

The DAO trigger is a dividing line: shooters coming from striker-fired pistols often find the reset less crisp than they're used to. A few users mention the gun runs slightly bulky compared to other compact options, which affects concealed carry comfort. Aftermarket accessories are limited compared to more popular platforms, and that comes up in discussions about customization. The distinctive trapezoid sights are either liked or disliked with not much middle ground.