The Shadow Systems DR920 Foundation is a striker-fired 9mm pistol with a 4.5-inch 416R stainless steel barrel (1-in-10 twist), 10+1 capacity, and black nitride finish over a polymer frame. It weighs 23 oz and measures 7.75 inches overall. Two double-stack magazines are included. The flat-faced polymer trigger averages 4.5 lbs pull. The slide is optics-ready. 
 

Key Specifications 

• Model: DR920 Foundation 
• Type: Semi-Auto Pistol 
• Caliber: 9mm Luger 
• Capacity: 10+1 rounds 
• Barrel Length: 4.5 inches 
• Overall Length: 7.75 inches 
• Weight: 23 oz. 
• Finish Color: Black Nitride 
• Frame Material: Polymer 
• Firing System: Striker Fired 
• Trigger Pull Average: 4.5 lbs 
• Magazine Type: Double Stack (2 included) 
   

Detailed Features 

1. Optics-ready slide cut for direct mounting of red dot sights without an adapter 
2. Aggressive grip texturing for secure hold across conditions 
3. 416R stainless steel barrel with 1-in-10 twist for accuracy consistency 
4. Flat-faced polymer trigger at 4.5 lbs average pull — reduces fatigue in long sessions 
    

Usage 

The DR920 Foundation is the entry-level Shadow Systems model, positioned below the Elite and Combat tiers. It covers the fundamentals: optic-ready slide, good ergonomics, quality barrel. The 10+1 capacity is the standard configuration; higher-capacity magazines are available separately. The 4.5 lbs flat trigger is a step up from most factory polymer triggers. Glock-pattern holster compatibility simplifies carry setup.

The DR920 Foundation gets consistent praise for being a solid optics-ready 9mm at a price point below the Elite variants. Owners who run red dots appreciate the direct slide cut — no adapter required, and reported zero consistency is good. The grip texture and ergonomics earn the usual Shadow Systems compliments.

Reliability across ammunition types is reported as high. The flat-faced trigger at 4.5 lbs is well-regarded, particularly for a base-model gun. Customization potential comes up often — the platform takes aftermarket parts readily and the Glock pattern means holster options are broad.

Price is still discussed relative to Glock and S&W, where comparable optic-ready models are less expensive. Some owners find the value compelling based on the feature set; others see it as a premium for branding. Shadow Systems customer service receives mixed reports — some owners have positive interactions, others describe delays in support or parts availability.