The Shadow Systems MR920 Elite is a 9mm semi-automatic pistol with a 4.5-inch barrel, 15-round capacity, and a weight of 1.3 lbs. Black finish. The gun is built on a Glock-compatible platform with Shadow Systems' own frame and slide work, so it takes standard Glock magazines and most aftermarket Glock parts. 
 

Key Specifications 

• UPC: 810120313290 
• Action: Semi-Automatic 
• Barrel Length: 4.5 inches 
• Caliber: 9mm Luger (9x19 Para) 
• Capacity: 15 rounds 
• Finish: Black 
• Weight: 1.3 lbs. 
   
  At 4.5 inches the barrel sits between compact and full-size, which works for range use and still conceals reasonably well depending on the holster. The 1.3 lb weight keeps fatigue low during longer sessions. Shadow Systems ships the Elite with an optics-ready slide and interchangeable backstraps, which means you can run a red dot without a gunsmith visit and adjust the grip fit to your hand.

The MR920 Elite generally earns positive reviews from people who have spent time with it. Build quality and the quality of finish are mentioned frequently, and most owners describe the ergonomics as comfortable and well-thought-out. Trigger feel comes up a lot. Most shooters find it smooth and consistent, which matters at the speeds practical shooting requires.

The optics-ready slide and modularity draw a lot of discussion; owners like being able to configure the gun to their preferences without custom work. On the downside, price is a recurring concern. It costs more than a stock Glock 17, and some buyers question whether the improvements justify the gap. Availability and lead times have also come up for some SKUs. Overall the gun sits well in the competitive/defense market and most owners who bought it say they'd buy it again.