SHADOW SYSTEMS MR920 Foundation 9MM | 4IN | 10+1

The SHADOW SYSTEMS MR920 Foundation is a compact semi-automatic pistol in the MR920 Foundation Series built around an optic-cut slide and a focus on practical carry and range use. It ships configured with a 4 IN barrel, a foundation-style slide with optic cut, and a polymer frame for weight savings. For a red-dot that pairs cleanly with the MR920’s RMR/Holosun-compatible cut, consider a Holosun 507K micro red dot (well under $1,000) as a durable, compact option. Common uses include everyday carry (EDC) and precision practice at the range.

Product Specifications

• The UPC is 810120312552.
• The manufacturer is SHADOW SYSTEMS.
• The model is the MR920 Foundation Series.
• The caliber is listed as 9MM.
• The barrel length is 4 IN as provided in the product data.
• The overall length is 7.125 as provided by the source text.
• The unloaded weight is listed as 23 OZ.
• Rated capacity is 10+1.
• The package includes 2 magazines.
• The finish is listed as Black Matte in the manufacturer text.
• The frame material is Polymer.
• The sighting system is a dot front night sight with a serrated rear.
• The slide is a Foundation Slide with an optic cut compatible with RMR & Holosun.
• Notable features include billet slide parts and an undercut frame.

The MR920 Foundation is aimed at shooters who want a compact, optics-ready platform with practical capacity and straightforward controls. Its combination of a polymer frame and a foundation-style optic slide makes it suitable for daily carry and focused range sessions where a low-profile red dot and predictable ergonomics matter. If you value a compact, optics-ready handgun that balances carryability with shootability, the MR920 Foundation is engineered to meet those needs.

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