The Walther PDP Pro SD Full Size is a striker-fired 9mm pistol with a factory-threaded 5.1-inch barrel (1/2x28 thread pattern), 10+1 capacity, and 27.5 oz weight. Overall length is 8.6 inches. The polymer frame is matte black, and the optic-ready slide accepts a direct-mount red dot without additional machining. Sights are white dot, adjustable for windage and elevation. Three magazines are included. 
 
Key Specifications 

• Manufacturer: Walther Arms 
• Model: PDP PRO SD Full Size 
• Type: Semi-Auto Pistol 
• Action: Striker Fired 
• Caliber: 9mm Luger 
• Capacity: 10+1 rounds (includes 3 magazines) 
• Barrel Length: 5.1 inches 
• Overall Length: 8.6 inches 
• Weight: 27.5 ounces 
• Frame Material: Polymer 
• Finish: Matte Black 
• Sights: White Dot, Adjustable 
• Optics Ready: Yes 
• Threaded Barrel: Yes (1/2x28) 
   
  Detailed Features 
  The Performance Duty trigger has a consistent pull weight and short reset. The Performance Duty grip texture is more aggressive than a standard polymer frame and holds up in wet conditions. The factory-threaded barrel makes suppressor attachment straightforward -- no additional threading needed. Adjustable sights let users dial in for windage and elevation independent of any mounted optic.

Owners of the Walther PDP Pro SD generally report positive experiences, with reliability and the optics-ready platform being the most common themes.

Most users find the pistol runs cleanly across different 9mm loads. The ergonomics and grip texture come up consistently -- the adjustable backstraps let shooters fit the grip to their hand rather than adapting to a fixed size. The trigger gets strong reviews for feel and reset, which contributes noticeably to shooting consistency.

The optics-ready design attracts competitive and tactical shooters who want a direct-mount red dot. The build quality, including the matte black finish, is generally described as solid and well-finished for the price.

The main point of friction is price. Some buyers think it's on the high side relative to competitors and say so openly -- others feel the features, particularly the threaded barrel and included three magazines, make the cost reasonable. Overall the community tone is positive.