The Walther WMP is a semi-automatic pistol chambered in .22 WMR, a step up in power from .22 LR while keeping recoil very manageable. The striker-fired action provides a consistent trigger pull, and the optics-ready aluminum slide makes mounting a red dot straightforward without additional machining. 
 
Key Specifications 

• Brand: Walther Arms 
• Model Name: WMP 
• Caliber: .22 WMR 
• Action Type: Striker Fire 
• Barrel Length: 4.5 inches 
• Overall Length: 8.20 inches 
• Capacity: 10+1 rounds 
• Weight: 1.6 lbs (27.80 oz) 
• Finish: Black Polymer Frame with Black Aluminum Slide 
• Sights Configuration: 3-Dot 
   
  Detailed Features 
   
  The aluminum slide has serrations and an optic cut for mounting red dot sights, which is useful for both target shooting and small game hunting where faster acquisition helps. At 27.80 oz with a 4.5-inch barrel, the pistol handles recoil from .22 WMR well. The polymer frame keeps weight reasonable during extended use. 
   
  The striker-fired mechanism delivers a uniform trigger pull from first round to last, which aids accuracy in follow-up shots. The black polymer grip texture is adequate for most conditions. 
   
  Target Audience 
   
  The WMP is aimed at shooters who want more terminal performance than .22 LR offers but don't want the recoil of a centerfire. It works for new shooters learning on a rimfire platform as well as experienced shooters who want a dedicated varmint or small game pistol. 
   
  Usage Scenarios 
   
  The .22 WMR cartridge carries more energy downrange than .22 LR, making the WMP a reasonable choice for varmint control or small game hunting at pistol ranges. The optics cut makes adding a red dot practical for competitive rimfire shooting or field use. For range training, .22 WMR ammunition costs more than .22 LR, which is worth factoring in for high-volume practice.

The WMP gets consistent praise for its ergonomic grip and balanced feel during extended shooting sessions. Shooters generally like the optics-ready slide since mounting a red dot requires no modifications and improves target acquisition noticeably. Most owners report reliable function during range sessions.

On the critical side, .22 WMR ammunition is less widely available than .22 LR, which some users flag as a practical limitation. Feeding issues with certain ammunition types have been reported. Trigger feel preferences vary, with a few owners finding the pull less refined than they'd like. Overall owner sentiment is positive, with versatility and shooting enjoyment cited most frequently.