Description
The Springfield 1911 Ronin AOS 45 ACP is a traditional two tone 1911 that has been brought up to date with an optic cut. A hot salt blued forged carbon steel slide sits over a forged stainless steel frame, the barrel is five inches of match grade stainless, and the grips are Crossed Cannon wood. It weighs 40 ounces and holds eight rounds of 45 ACP.
A Traditional 1911 With A Modern Slide
Most of the Springfield 1911 Ronin AOS 45 ACP is deliberately conventional. It uses a GI style recoil system with a traditional barrel bushing rather than a bull barrel and full length guide rod, which makes field stripping simpler and keeps the pistol familiar to anyone who has owned a 1911 before. Parts availability for a bushing gun is also broader than for a bull barrel.
What is not conventional is the slide. The Springfield 1911 Ronin AOS 45 ACP is cut for the Agency Optic System, so a red dot mounts without milling. That single change is what separates it from the traditional 1911 pistols it otherwise resembles, and it is the reason a lot of buyers pick it over an older design.
The two tone treatment is a genuinely classic look. A deep blued slide against a satin stainless frame is how many of the most admired 1911 pistols have been finished, and hot salt bluing produces a depth of color that modern sprayed coatings do not match. It does require slightly more attention to rust prevention than a Cerakote finish.
The Optic System, Sights And Barrel
The Agency Optic System on the Springfield 1911 Ronin AOS 45 ACP uses interchangeable plates covering the RMR, Shield, Delta Point Pro and Docter footprints, so almost any red dot can be fitted. The rear sight sits on the plate itself and co witnesses with a mounted optic, which means the iron sights stay usable and correctly positioned regardless of which dot goes on. A cover plate ships installed.
The front sight is fiber optic rather than tritium. In daylight a fiber rod is the fastest sight to pick up, which suits a range and competition pistol well. It is worth being clear that fiber gathers ambient light and gives nothing in the dark, so anyone planning to use the Springfield 1911 Ronin AOS 45 ACP for home defense should mount a dot or plan on a tritium swap.
The barrel on the Springfield 1911 Ronin AOS 45 ACP is forged stainless steel, match grade, with a one in sixteen twist. Match grade means it is fitted more tightly than a standard barrel, which is where the accuracy comes from. Crossed Cannon grips in a hybrid smooth and checkered pattern give a positive hold without the abrasiveness of aggressive G10.
Springfield 1911 Ronin AOS 45 ACP Specifications
- Caliber: 45 ACP
- Barrel Length: 5 inches, forged stainless steel, match grade, 1 in 16 twist
- Overall Length: 8.6 inches
- Height: 5.5 inches
- Weight: 40 ounces
- Magazine Capacity: 8 rounds, one magazine included
- Frame: Forged stainless steel
- Slide: Forged carbon steel with hot salt bluing, optics ready
- Optic System: Agency Optic System with plates for RMR, Shield, Delta Point Pro and Docter footprints, rear sight co witnesses
- Sights: Fiber optic front, black serrated rear
- Grips: Crossed Cannon hybrid smooth and checkered wood
- Recoil System: GI style with traditional barrel bushing
- Manufacturer Item Number: PX9120LAOS
- UPC: 706397964559
Only one magazine ships with the Springfield 1911 Ronin AOS 45 ACP. Factory magazines are the single most important reliability component in any 1911, so budget for at least two more before treating this as a range or defensive gun.
Why Buyers Choose The Springfield 1911 Ronin AOS 45 ACP
Buyers choose the Springfield 1911 Ronin AOS 45 ACP because it looks like a classic 1911 and mounts a modern optic. Milling an older 1911 slide for a red dot costs several hundred dollars and voids the original finish, so buying a pistol that arrives cut is both cheaper and cleaner.
The traditional bushing recoil system is a quiet advantage for a lot of owners. Field stripping is straightforward without special tools, parts are widely available, and the design is the one that 1911 shooters have understood for more than a century. Not everything needs to be modernized.
The honest limits are capacity, weight and the sight system. Eight rounds of 45 is well behind a modern double stack, forty ounces is heavy for daily carry, and the fiber optic front sight is a daylight sight rather than a night sight. Shooters who want tritium from the factory should look at the Emissary, and those wanting capacity should consider the Prodigy.
Who Should Buy The Springfield 1911 Ronin AOS 45 ACP
The Springfield 1911 Ronin AOS 45 ACP suits the shooter who wants a classic looking full size 1911 in 45 ACP and intends to mount a red dot, or who simply wants the option available later. It works well for range use, competition and home defense paired with a light. The traditional bushing system makes it approachable for a first 1911, and the two tone finish gives it a presence that plain black pistols do not have. Buyers wanting factory night sights, higher capacity or a lighter carry gun should look at other models in the Springfield line.
Learn more about this pistol from the manufacturer, or see more firearms available at MAG5 Firearms.
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