The Walther PPQ M2 Q4 is a 9mm Luger striker-fired pistol with a 4-inch optic-cut barrel, manual thumb safety, and a Picatinny rail. Capacity is 10+1 rounds, weight is approximately 40 oz (2.4 lbs), and overall length is 7.40 inches. 
 

Key Specifications 

• Brand: Walther Arms 
• Model: PPQ M2 Q4 
• Caliber: 9mm Luger 
• Capacity: 10+1 rounds 
• Action: Striker Fire 
• Barrel Length: 4 inches 
• Overall Length (OAL): 7.40 inches 
• Weight: 40 oz (approx. 2.4 lbs) 
• Grip: Black Wraparound Ergonomic 
• Sights: Fixed Front & Adjustable Rear 
• Safety Mechanism: Manual Thumb Safety 
• Finish: Matte Black Tenifer 
   

Features 

 
The optic-cut slide accepts red dot sights directly without an adapter plate, which simplifies the mounting process. The Tenifer-coated steel slide is hard and corrosion-resistant. Adjustable rear sights work alongside the fixed front sight to give the shooter control over point of impact. The Picatinny rail takes lights and lasers without modification. The wraparound grip is consistent across the full circumference, which helps with control during rapid strings. 
 

Usage 

 
The PPQ M2 Q4 works well as a home defense pistol, training gun, or competitive shooter's sidearm. The optic-ready slide and accessory rail make it easy to configure for different roles.

The Walther PPQ M2 Q4 in 9mm earns solid reviews for its ergonomics and performance. The grip is a consistent positive: it fits naturally in hand and the wraparound design aids control during extended sessions or fast strings.

Accuracy and reliability are regularly noted as genuine strengths. The pistol handles various ammunition types without reliability concerns in most user reports, and point-of-impact accuracy is well-regarded.

The optic-ready feature draws specific appreciation from users who run red dot sights: the optic cut simplifies setup and is a meaningful practical advantage over pistols requiring adapter plates.

Capacity at 10+1 is occasionally raised as a limitation compared to other full-size or compact 9mm pistols that offer higher round counts. Trigger preference comes up occasionally, with some users preferring a different pull weight or feel, though these are personal preference comments rather than functional complaints.