Walther WMP SD | .22 WMR | 4.9″ Barrel | 5220303

The Walther WMP SD is a semi-automatic pistol chambered in .22 Winchester Magnum featuring an optic-ready slide and a 4.9-inch threaded barrel. It pairs a polymer frame with an aluminum slide and ships with two magazines and optic adapter plates for fitment of popular red-dot sights. For a durable, proven red-dot that will fit via adapter plates and stays under $1,000, consider a Trijicon RMR or a Holosun compact RDS model.

Typical applications: small-game and varmint hunting, and precision practice / range training.

Product Specifications

• The UPC is 723364224669.
• The manufacturer part number is 5220303.
• The caliber is .22 Winchester Magnum.
• The barrel length is 4.9 inches.
• The slide material is aluminum.
• The frame material is polymer.
• The optic footprint is a proprietary slide cut with adaptor plates included.
• The pistol includes 2 magazines.
• The sights are fiber optic.
• The firearm has a threaded barrel.
• The NFA thread pattern is 1/2×28.
• The frame color is black.

The WMP SD is built to be a versatile, optic-ready handgun with a threaded barrel and modular mounting options. Its combination of a polymer frame and aluminum slide reduces weight while maintaining a rigid slide platform for consistent sighting and red-dot integration. The included adapter plates make it straightforward to mount a compact red-dot for rapid target acquisition at the range or in field use.

Owners commonly praise the WMP’s ergonomics and optics-ready flexibility, noting the comfortable grip and straightforward mounting options as strong points.

Related Videos: