The Colt 1911 XSE Rail Gun is a full-size .45 ACP single-action pistol with a 5-inch National Match barrel, stainless steel construction, and an integrated M1913 Picatinny rail on the dust cover. 
 

Key Specifications 

• Caliber: .45 ACP 
• Barrel Length: 5 inches (National Match barrel) 
• Capacity: 8+1 rounds 
• Weight: 36.5 oz 
• Frame Material: Stainless steel 
• Grips: Rosewood, Double Diamond 
• Sights: Novak low-mount carry sights with dots 
• Safety: Thumb safety and beavertail grip safety 
   

Features 

 
The National Match barrel is fitted to tighter tolerances than standard production 1911 barrels, which shows up in accuracy results at the range. The M1913 Picatinny rail runs the full length of the dust cover and accepts weapon lights and lasers using standard attachments. The upswept beavertail grip safety keeps the web of your hand clear of the hammer. The 3-hole aluminum trigger reduces weight slightly versus a solid steel trigger. Novak low-mount sights minimize snag points during a draw. Stainless construction handles humid environments better than parkerized or blued finishes.

The XSE Rail Gun draws buyers who want Colt's production quality in a tactical-configured 1911. Accuracy with the National Match barrel gets consistent praise, and the stainless finish holds up well under use. The integrated rail is practical for home defense setups where a light mount is useful.

Weight at 36.5 oz is the primary carry objection. It's a range and home defense gun for most owners rather than an everyday carry choice. Price is described as high relative to other 1911s, though owners generally view the Colt name and National Match barrel as justifying the difference. Maintenance requirements are what any steel 1911 demands: regular cleaning and lubrication. Capacity at 8+1 follows the standard 1911 limitation, which some owners supplement with extended magazines.