The Walther PDP Pro-E is a semi-automatic pistol chambered in 9mm, built around a 4.5" barrel and optics-ready slide. It ships with aluminum magazine extensions that push capacity to 20 rounds, and the reversible magazine release works for both right- and left-handed shooters without modification. 
 

Key Specifications 

• Brand: Walther Arms 
• Model: PDP PRO E 
• Caliber: 9mm 
• Barrel Length: 4.5 inches 
• Overall Length: 8 inches 
• Weight: 26.8 oz. 
• Action Type: Semi-Auto 
• Capacity: 20 rounds (includes aluminum magazine extensions) 
• Finish Color: Black 
   

Features 

• Aluminum Magazine Well & Extensions: Improve loading efficiency and add durability over standard polymer magwells. 
• Reversible Magazine Release: Works for left- and right-handed shooters without tools. 
• Optic Ready Design: The slide accepts reflex sights directly without an adapter plate. 
• Polymer Flat-faced Trigger: Consistent pull geometry that helps with shot-to-shot repeatability during rapid fire. 
• SuperTerrain Slide Serrations: Aggressive serration pattern for a secure grip when cycling the action. 
• Performance Duty Grip Texture: Textured grip panels that maintain control through recoil.

Owners of the Walther PDP Pro-E in 9mm generally focus on a handful of consistent topics when they write about it.

The trigger gets mentioned often, usually positively. Most shooters find the pull smooth and consistent, which helps at the range and under pressure. The ergonomics are similarly well-received -- the grip fits a wide range of hand sizes and the gun is comfortable during longer sessions.

The optics-ready slide is a significant draw for users who run red dots. Mounting is straightforward, and there's broad compatibility with popular reflex sights.

Build quality comes up regularly, with most owners describing materials and fit as solid. That said, some feel the price is a step above comparable options from other brands, and whether the premium is justified depends on the individual's priorities.

Comparisons to Glock and Sig Sauer models appear frequently. Most come down to personal preference around grip geometry, weight, and controls rather than any clear objective winner.

Customer service experiences vary -- some owners report smooth interactions when seeking accessories or warranty help, while others found the process less direct. Overall sentiment leans positive, with the main friction point being price relative to the competition.