The Walther Arms PDP Compact is a 9mm semi-automatic pistol with a 4-inch barrel and an optics-ready slide. It is offered in a California-compliant configuration with a 10-round capacity. The frame is polymer, the finish is black, and it includes adjustable sights. 
 

Key Specifications 

• Brand: Walther Arms 
• Model: PDP Compact 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 4 in 
• Color/Finish: Black 
   

Detailed Features 

• Compact frame with 4-inch barrel 
• Optics-ready slide 
• Polymer grip frame 
• Adjustable sights 
• California-compliant 10-round capacity

Owners who choose the PDP Compact over the Full Size typically prioritize a slightly shorter package that still gives them a full grip. The 4-inch barrel sits in a useful middle ground, and most shooters find accuracy at typical pistol distances is not meaningfully different from the longer variant. The grip texture draws the same consistent praise as on the rest of the PDP line.

The optics-ready slide is a frequent positive, and many owners add a compact red dot quickly after purchase. The adjustable rear sight is seen as a thoughtful inclusion for those who prefer iron sights or want a baseline zero before mounting an optic. California buyers accept the 10-round limit as a market reality and value the PDP Compact as one of the cleaner options available in that format.

The trigger on the PDP Compact gets similar feedback to its full-size counterpart: most owners consider it among the better factory striker triggers in this category, with a clear break and consistent reset. A minority finds the reset distance slightly long. Holster availability is good, with most major makers covering the PDP Compact profile.