The Walther Arms PDP Pro-X is a full-size 9mm semi-automatic pistol with a 4.6-inch threaded barrel and a PMM compensator. It is optics-ready and available in 10+1 and 20+1 configurations. The slide and frame are finished in black. 
 

Key Specifications 

• Brand: Walther Arms 
• Model: PDP Pro-X 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 10+1 or 20+1 rounds 
• Barrel Length: 4.6 inches 
• Color/Finish: Black 
   

Detailed Features 

• 4.6-inch threaded barrel paired with an included PMM compensator 
• Optics-ready slide with a factory optic cut 
• Full-size frame available in 10+1 and 20+1 magazine configurations 
• Polymer grip frame with adjustable sights 
• Black finish throughout

The PDP Pro-X with the PMM compensator draws attention from owners who want a factory-ready compensated pistol without sourcing aftermarket parts. The 4.6-inch threaded barrel and PMM comp reduce muzzle rise noticeably, which is the primary reason most buyers choose this model over the standard PDP.

The optics-ready cut is a consistent positive for owners who run red dots, and the full-size frame in 20+1 configuration makes it a popular choice for competition and range use. A few owners running the 10+1 version mention that the reduced magazine capacity is the only drawback for high-volume shooting, though the platform itself handles the round count well.

The trigger on the PDP Pro-X gets the same feedback as other PDP variants: it is widely regarded as one of the better factory polymer pistol triggers available. The main criticism heard from some owners is the overall package price when compared to building a compensated setup on a different platform, though buyers who want a cohesive factory warranty tend to disagree.