The Walther Arms PDP Pro Compact ACRO is a 9mm semi-automatic pistol with a 4-inch barrel and an 18+1 round capacity. It ships from the factory with an Aimpoint ACRO optic mounted and a black polymer frame. 
 

Key Specifications 

• Brand: Walther Arms 
• Model: PDP Pro Compact ACRO 
• Caliber: 9mm 
• Action: Semi Auto 
• Capacity: 18+1 
• Barrel Length: 4" 
• Color/Finish: Black 
   

Detailed Features 

• Factory-installed Aimpoint ACRO red dot optic 
• 4-inch barrel 
• 18+1 round capacity 
• Black polymer frame 
• Compact Professional configuration with optic-ready cut

Owners of the PDP Pro Compact ACRO appreciate getting a quality closed-emitter red dot already mounted and zeroed from the factory. The Aimpoint ACRO's sealed design draws consistent praise from those who prioritize optic protection in field conditions.

The PDP Compact's grip and trigger get generally favorable marks. The Performance Duty Pistol ergonomics translate well to the compact format, and the 4-inch barrel gives a balance of control and a manageable footprint. Some note the width with the ACRO mounted adds bulk over a bare slide.

Value is where opinions split. The ACRO-equipped package carries a significant price premium, and some buyers question whether the factory pairing beats sourcing a base PDP and adding their preferred optic. Those who wanted the ACRO specifically tend to view it as a fair bundle.