The Rock Island Armory FS45 Elite is a full-size single-action .45 ACP pistol in matte nickel finish. It follows the classic government-frame 1911 layout with a 5-inch barrel, 8+1 capacity, and a steel frame and slide. The ambidextrous thumb safety makes it accessible to both left and right-handed shooters. At 40 oz (2.5 lbs) it falls in the standard government-frame weight range. 
 

Key Specifications 

• Caliber: .45 ACP 
• Barrel Length: 5 inches 
• Capacity: 8+1 rounds 
• Weight: 40 oz (2.5 lbs) 
• Overall Length: 8.54 inches 
• Frame Material: Steel with Matte Nickel finish 
• Slide Material: Steel with Matte Nickel finish 
• Action Type: Single Action Only (SAO) 
• Safety Features: Ambidextrous safety 
• Sights Style: Fixed front sight with low-profile rear sight 
   

Detailed Features 

• Ambidextrous safety operates from either side without modification, which is rare at this price tier on a 1911. 
• Dovetail-mounted front sight with a fixed low-profile rear; both are replaceable with standard 1911-compatible aftermarket parts. 
• Trigger pull is 4 to 6 lbs., in the range typical for a single-action 1911 without aftermarket work. 
• Black rubber grips provide grip security during firing and are easy to replace with standard 1911 double-diamond or custom grips.

The FS45 Elite matte nickel gets consistent attention for its price-to-features ratio. Buyers routinely note that an ambidextrous safety, 8-round magazine, and matte nickel finish at the RIA price point is a hard deal to match. Range reliability and manageable .45 recoil are the most repeated positives.

Critical feedback clusters around three points: the trigger pull weight draws complaints from users accustomed to a tuned 1911; the matte nickel shows scratches more visibly than a blued or Cerakote finish; and 8+1 capacity trails modern competitors in the same caliber. Weight is also noted, though most .45 ACP government-frames land in this range. On the positive side, aftermarket support for the 1911 platform in general is extensive, so custom parts are easy to source regardless of brand.