The Walther WMP is a semi-automatic pistol chambered in .22 Magnum. A polymer frame keeps the weight at 27.8 oz while the aluminum slide adds rigidity. The 4.5-inch barrel gives 8.2 inches of overall length, and the gun ships with two 15-round magazines. 
 

Key Specifications 

• Manufacturer: Walther Arms 
• Model: WMP 
• Type: Semi-Auto Pistol 
• Caliber: .22 Mag 
• Barrel Length: 4.5 inches 
• Overall Length: 8.2 inches 
• Capacity: 15 rounds (includes 2 magazines) 
• Weight: 27.8 oz (1.7 lbs) 
• Finish Color: Black / Stainless Steel 
• Frame Material: Polymer 
• Slide Material: Aluminum 
• Sights Type: Adjustable White 3-Dot Sights 
• Safety Features: 3 Auto Safeties 
   

Detailed Features 

 
The optics-ready slide accepts red dot mounts directly, which speeds up target acquisition without a separate adapter plate. The Performance Duty Trigger has a short travel distance and consistent pull, which translates to tighter groups at speed. Superterrain serrations on the slide give a secure grip during manipulations even with wet hands. The adjustable white 3-dot sights handle windage and elevation, so the gun can be dialed in without additional hardware. Three automatic safeties are integrated into the design. 
 

Usage Scenarios 

1. Sport Shooting: the accuracy-focused features and optics-ready slide work for both casual plinking and competition. 
2. Self-defense: .22 Magnum produces more energy than .22 LR, and 15 rounds with manageable recoil allows fast follow-up shots. 
3. Training: .22 Magnum ammunition costs less than centerfire options, making extended practice sessions more practical.

The Walther WMP draws a range of feedback, mostly positive with some recurring caveats. Build quality and grip ergonomics get consistent praise — owners find the gun comfortable to hold and control, and the overall construction feels solid for the platform.

The optics-ready feature is a significant draw. Many users describe adding a red dot as one of the first things they did, and most report good results with accuracy and target acquisition afterward. As a .22 Magnum pistol it sits in a niche: owners appreciate the step up in energy over .22 LR while keeping recoil light enough for new shooters or extended sessions.

Reliability opinions are split. A majority report smooth, consistent operation, but a portion of users mention occasional feeding issues with specific ammunition brands. It is generally recommended to test different loads before relying on the gun. Accuracy at distance is usually described as good. Pricing lands favorably in most comparisons to other pistols with similar feature sets. Customer service experiences vary — some owners report quick resolution on warranty issues while others describe slower support processes.