The Springfield 1911 Operator 5-Inch AOS .45 ACP from Springfield Armory is the full-size version of the tactical-grade Operator (Springfield Armory part no. PO9230AOS). A match-grade 5-inch stainless barrel gives a longer sight radius than the 4.25-inch version. The Agency Optics System accepts popular optics including RMR, Shield, Delta Point Pro and Docter. G10 grips, an ambidextrous safety and a tritium front sight round out a defensive 1911.

Key Specifications

• Chambering is .45 ACP, the cartridge the 1911 was built around.
• The barrel is 5-inch forged stainless steel, match grade, with a 1:16 twist.
• The slide is forged carbon steel with black Cerakote and has forward cocking serrations.
• The slide is optics-ready through AOS, with plates for RMR, Shield, Delta Point Pro and Docter footprints.
• Sights are a tritium front with a black serrated rear, giving a visible front dot in dim light.
• The frame is forged carbon steel with black Cerakote, matching the slide.
• Grips are VZ Grips G10, scalloped for a no-slip surface.
• An ambidextrous safety lets either hand operate it.
• Two 8-round magazines are included, the single-stack capacity for a .45 ACP 1911.
• Weight is 42 ounces and overall length is 8.6 inches.

Frequently Asked Questions

How does the 5-inch Operator AOS differ from the 4.25-inch version? The 5-inch model has a longer barrel, a GI-style recoil system and a weight of 42 ounces, while the 4.25-inch model has a Commander-length recoil system and weighs 31 ounces.

Is it optics-ready? Yes. AOS plates fit popular footprints including RMR, Shield, Delta Point Pro and Docter.

Does it have an ambidextrous safety? Yes. It has an ambidextrous safety.

Buy the Springfield 1911 Operator 5-Inch AOS .45 ACP

A 5-inch match barrel, tritium front sight and AOS optic mounting make this Operator a full-size defensive 1911. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and browse more semi-auto handguns while you are here.