The Magnum Research Eagle 1911 Undercover is a compact single-action .45 ACP pistol with a 3-inch barrel and 6+1 capacity. The two-tone finish pairs a black frame with a contrasting slide. The Black/Grey G10 grip provides good traction without being abrasive. Sights are a white dot front with an adjustable rear. 
 

Key Specifications 

• Type: Semi-Automatic Pistol 
• Action: Semi-Automatic (Single Action) 
• Caliber: .45 ACP 
• Capacity: 6+1 rounds 
• Barrel Length: 3 inches 
• Weight: 25.8 oz. 
• Finish: Two-Tone (Black) 
• Sights: White Dot Front / Adjustable Rear 
• Grip: Black/Grey G10 
   

Detailed Features 

 
The 3-inch barrel puts this in officer-size 1911 territory, which reduces the overall length enough to carry IWB without the grip printing as badly as a full 5-inch government model. The adjustable rear sight lets you dial in point of impact. G10 grips hold up to wear better than standard plastic panels and won't compress under the grip hand. The standard 1911 single-action trigger breaks cleanly.

The Eagle 1911 Undercover draws most of its discussion from 1911 enthusiasts who like the compact officer-size format in .45 ACP. The weight, balance, and traditional single-action trigger feel get positive marks from experienced 1911 shooters.

The G10 grip panels and white dot sights are practical upgrades over the basic features found on more affordable compact 1911s. Accuracy feedback is generally positive at typical defensive distances.

The 3-inch barrel and 6+1 capacity are the inherent tradeoffs of the officer-size platform — acknowledged rather than criticized by buyers who chose it knowingly. Occasional feeding issues are mentioned by a subset of owners, particularly during break-in, which is common for compact 1911 designs with shorter feed ramps. Aftermarket parts availability for standard 1911 pattern components is broad, which buyers find reassuring for long-term maintenance.

Price-versus-value comparisons to other compact 1911 options from Springfield, Rock Island, or Kimber come up regularly. Opinion varies, but the build quality is considered appropriate for the price.