The Rock Island Armory TAC Ultra FS HC is a full-size semi-automatic pistol chambered in .45 ACP with a 5-inch barrel. It has a high-capacity configuration that holds 13 rounds plus one in the chamber. The pistol has a black finish. 
 

Key Specifications 

• Brand: Rock Island Armory 
• Model: TAC Ultra FS HC 
• Caliber: .45 ACP 
• Action: Semi Auto 
• Capacity: 13+1 Rounds 
• Barrel Length: 5 in 
• Color/Finish: Black 
   

Detailed Features 

• 5-inch barrel in a full-size frame 
• High-capacity .45 ACP configuration at 13+1 rounds 
• Black finish throughout 
• TAC Ultra series full-size platform

Owners of the Rock Island Armory TAC Ultra FS HC in .45 ACP frequently point to the high-capacity magazine as the main differentiator for a full-size .45. Getting 13 rounds of .45 ACP in a familiar platform appeals to shooters who want the caliber without sacrificing round count, and reliability with standard loads is generally reported as solid.

The fit and finish draw a range of opinions. Many buyers accept that Rock Island Armory targets the value segment and are satisfied with the result, while shooters moving from higher-end pistols sometimes find the tolerances and trigger a step down. The 5-inch barrel gives good sight radius and velocity for the caliber.

Aftermarket support for the TAC Ultra platform is a common topic. Parts availability is generally good given the platform's widespread adoption, though finding drop-in upgrades specific to the high-capacity variant can require more searching than for standard configurations.