The Springfield Armory(R) 1911 Operator AOS Threaded is a full size 45 ACP pistol with a 5.75 in threaded barrel optic ready slide and 8 round magazine capacity. This Tungsten Gray configuration combines a forged slide and frame with the Agency Optic System for modern red dot compatibility on a duty grade 1911 platform. It is built for defensive use suppressor ready setups and range work with an accessory rail ambidextrous safety and tritium front sight.Key Features45 ACP chambering with 5.75 in threaded barrelSemi auto pistol with 8 round magazine capacityAgency Optic System optic ready slideTungsten Gray Cerakote finish with forged frame and slideIncludes 2 8 round magazinesSpringfield Armory(R) builds modern firearms that blend proven designs with contemporary features for today's shooters. The brand is known for duty-capable handguns and performance-oriented platforms that support optics lights and high-round-count training. Springfield Armory focuses on practical reliability shooter-friendly ergonomics and consistent value across its lineup.