The Sig Sauer 1911R Emperor Scorpion Full-Size is a single-action .45 ACP pistol with a 5-inch barrel, SIGLITE night sights, G10 Piranha-texture grips, a skeletonized trigger, and a PVD Flat Dark Earth finish throughout. 
 

Key Specifications 

• Model Name: 1911R Emperor Scorpion Full-Size 
• Brand: Sig Sauer 
• Caliber: .45 ACP 
• Action: Single Action (SA) 
• Capacity: 8+1 rounds 
• Barrel Length: 5 inches 
• Overall Length: 8.7 inches 
• Weight: 2.6 lbs 
• Sights: SIGLITE Night Sights 
• Grip Material: Black G10 with Piranha texture 
• Finish Color: PVD Flat Dark Earth 
   

Detailed Features 

 
The PVD coating runs on both the frame and slide, providing wear and corrosion resistance beyond standard bluing or nitride. SIGLITE night sights are low-profile and tritium-illuminated, which makes them useful in low-light conditions without adding height that can snag. The skeletonized trigger and combat hammer reduce weight without compromising the SA lockwork. G10 Piranha-texture grips are aggressive enough to maintain purchase under recoil or wet hands. The M1913 accessory rail forward of the trigger guard accepts lights and lasers. Single-action trigger pull is the main advantage of the 1911 platform, short, light, and consistent. 
 

Usage Scenarios 

• Competition shooting (IDPA, USPSA) where the SA trigger gives a precision advantage 
• Home defense and concealed carry with the full 5-inch sight radius 
• Duty or tactical use with the M1913 rail for light mounting

The Sig Sauer Emperor Scorpion 1911R FDE draws strong overall appreciation, with a few recurring criticisms.

Aesthetics are consistently praised. The FDE PVD finish and the overall design get specific positive mentions from buyers who want a tactical look with some distinction from standard black pistols.

Build quality reflects Sig Sauer's manufacturing standards. Owners describe the gun as solid and well-fitted, and attention to detail on the controls and finish is noted favorably.

Performance at the range is well-regarded. Accuracy and reliability with standard .45 ACP loads is reported as consistently good. The SIGLITE night sights are mentioned as genuinely useful rather than decorative.

The 1911 platform's weight, 2.6 lbs, is noted by some as a drawback for extended carry compared to lighter polymer-framed pistols. This is a platform trade-off rather than a product flaw.

Price sits at the upper end of production 1911s, which prompts some debate about value relative to custom shop options or less expensive alternatives. A small number of users mention the trigger pull characteristics as something they'd adjust.