The Springfield Armory 1911 Operator in .45 ACP is a full-size, duty-grade 1911 built for serious shooters who demand proven performance in a classic platform. Chambered in .45 ACP with a 5-inch barrel and single-action trigger, it delivers the accuracy and authority the 1911 design has earned over a century of service. The optics-ready configuration and factory-installed night sights make it equally capable on the range, in competition, or as a home defense firearm.
Key Specifications
- The pistol is chambered in .45 ACP, delivering authoritative stopping power in a time-tested cartridge.
- The barrel measures 5 inches for full-size accuracy and a sight radius that supports precise shot placement.
- The action is single action, providing a clean, consistent trigger pull favored by experienced 1911 shooters.
- Capacity is 8+1 rounds, maximizing the magazine well of the standard 1911 frame.
- The package includes two 8-round magazines, ready for range or duty use out of the box.
- The front sight features a tritium night sight, while the rear is fitted with a white dot for fast, reliable target acquisition in low-light conditions.
- Sights are classified as night sights, providing a proven three-dot-style aiming solution in any lighting condition.
- The rifling features a 1-in-16 inch rate of twist optimized for .45 ACP projectiles.
- The pistol ships in an optics-ready (OR) configuration, allowing direct mounting of a compatible mini red dot sight.
- The finish is a tactical gray, giving the Operator a subdued, professional appearance.
The Springfield Armory 1911 Operator combines a heritage platform with genuinely modern enhancements—optics compatibility, tritium night sights, and proven .45 ACP performance—in a package that rewards skilled shooters and grows with their capabilities. If you’re looking for a full-size 1911 that’s as at home in a competition holster as it is in a nightstand, the Operator is built for exactly that role.






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