The Springfield Armory 1911 Operator 5" AOS .45 ACP delivers rugged, duty-grade tactical performance built on a full-size combat profile. Engineered as a standard Government-length model, this handgun pairs an incredibly strong forged carbon steel frame and slide finished in a defensive Black Cerakote® to resist environmental corrosion and holster wear. The defining layout block introduces the advanced Agency Optic System (AOS). Co-developed alongside Agency Arms, this slide-milled interface uses rugged, pin-keyed billet steel adapter plates featuring an integrated rear sight setup. This design seats your favorite micro red dot incredibly deep into the slide to minimize height-over-bore measurements and ensure a completely natural co-witness with the iron sights. Housing a 5-inch match-grade forged stainless steel barrel, the PO9230AOS footprint fields an integrated dustcover Picatinny rail, forward slide serrations, texture-matched scalloped VZ Grips® G10 panels, and a crisp single-action trigger. It ships completely duty-ready from the factory with an ambidextrous thumb safety and two 8-round bumper-padded steel magazines.