The Remington 1911 R1 Enhanced is a .45 ACP single-action semi-auto built on an all-stainless platform. The 5-inch barrel and full-size frame give it the classic 1911 geometry shooters expect, while the R1 Enhanced adds fiber optic front sight and adjustable rear -- useful if you actually want to dial in your zero rather than live with fixed combat sights. 
 

Key Specifications 

• Manufacturer Name: Remington 
• Model: 1911 
• Series: R1 Enhanced 
• Caliber: .45 ACP 
• Barrel Length: 5 inches 
• Overall Length: 8.5 inches 
• Total Height: 5.5 inches 
• Weight: 40 ounces (2.5 pounds) 
• Capacity: 8 rounds 
• Action Type: Single action 
• Frame Material: Stainless Steel 
• Slide Material: Stainless Steel 
• Grip Material: Laminate with Black Textured Finish 
• Sights Front/Rear: Fiber Optic Front, Adjustable Rear 
• Safety Features: Manual safety and grip safety 
   

Detailed Features 

 
The stainless slide and frame resist corrosion and take abuse reasonably well without adding significant weight over an alloy-framed alternative. Trigger pull is factory set between 3.5 and 5 lbs -- single-action, so it breaks cleanly when it's been properly fitted. 
 
The fiber optic front picks up light quickly in normal conditions; the adjustable rear lets you correct for point-of-impact drift without sending it to a gunsmith. Laminate grips with a textured finish give a firm purchase without being abrasive on the hand during long sessions.

Owners of the R1 Enhanced tend to split along two lines. Those coming from mil-spec 1911s appreciate the fiber optic/adjustable sight combination straight out of the box -- it's an upgrade most people would add anyway. The all-stainless build gets consistent praise for its finish quality and corrosion resistance.

The recurring criticisms are about quality control consistency between individual units. Some owners have reported feeding or ejection issues, particularly in the first few hundred rounds. The consensus seems to be that most examples run fine once broken in, but there's enough unit-to-unit variability that it's worth a thorough range session before trusting it for carry.

Comparisons to Wilson Combat, Kimber, or Springfield TRP inevitably come up, and the R1 Enhanced sits below those in perceived fit-and-finish. For the price bracket it occupies, most owners consider it fair value -- you're getting a usable 1911 with better sights than the base R1, not a custom shop build.