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The Alpha Foxtrot AF1911 Romulus takes the double stack 1911 format and builds it around a full 5-inch bull barrel with a slide that is already cut for a red dot. This particular version swaps out the standard polymer grip module for a machined aluminum one, which changes how the gun feels in hand and how it settles between shots. Frame and slide are cut from SUS416 stainless steel and finished in black DLC, a coating that holds up well against holster wear and everyday handling.
This configuration uses a straight bull barrel rather than a compensated or threaded one, so you get the extra sight radius and weight up front without added length hanging off the muzzle. The barrel carries a 1:10 twist rate, which is standard for the platform and works well across typical 9mm defensive and range loads. It is a simpler, more traditional barrel setup for anyone who wants the accuracy benefits of a bull barrel without needing a comp or a can mount.
The aluminum grip module is the newer option in the Romulus lineup, built to cut down on flex under recoil compared to the polymer version. It comes with an assembled magwell for quicker reloads, an extended beavertail to keep the web of your hand clear of the hammer, and an ambidextrous thumb safety so the controls work whether you run right or left handed. The trigger on Romulus pistols typically breaks in the 3.5 to 4 pound range from the factory, which keeps things crisp without feeling twitchy.
The slide is cut for direct optic mounting and ships with RMR and RMSc adapter plates, covering most of the popular red dot footprints without buying extra parts. Capacity comes in at 20+1 and 17+1, with both magazines included so you have a flush option and an extended one right out of the box. Between the stainless construction, the aluminum grip, and the ready-to-mount slide, the Romulus is set up for shooters who want a double stack 1911 they can outfit with an optic and start running right away.
The slide comes with a rear MOS cut and includes both RMR and RMSc adapter plates, so it covers most popular red dot footprints without needing extra parts. That means options like the Trijicon RMR, Holosun 507 series, and RMSc-pattern optics can be mounted with the included plates. Just match the plate to your optic's footprint before installing.
No, this specific model uses a straight bull barrel rather than a threaded or compensated one. Alpha Foxtrot also offers comped versions of the Romulus in other barrel lengths if you want reduced muzzle rise, but this configuration keeps things simple with a traditional bull barrel setup.
The aluminum grip module is a newer option built to reduce flex under recoil compared to the standard polymer grip module used on earlier Romulus builds. It is meant to give a more connected, stable feel in hand, especially useful for faster follow-up shots. Both grip styles use the same double stack magazine system underneath.
The Romulus ships with two magazines, a 17-round and a 20-round, giving you both a flush-fit option and an extended capacity option. It runs on standard 1911/2011-pattern double stack magazines, so aftermarket options are available if you want more on hand.
The frame and slide are machined from SUS416 stainless steel and finished in black DLC, so this is a full metal 1911-pattern gun rather than a polymer-framed pistol. The grip module itself is where you get the choice between polymer and the aluminum option featured on this build.
Factory trigger pull on Romulus pistols typically falls in the 3.5 to 4 pound range, giving a crisp break that suits both range work and more performance-oriented shooting. Some owners lighten this further with minor sear work, but the factory setting is usable as-is for most people.
| UPC | 810100537258 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AA47X1EID-XDBK19 |
| Barrel Length | 5" |
| Caliber/Gauge | 9mm |
| Capacity | 20 + 1 |
| Safety | Thumb |
| Slide Description | Optic Ready/Serrated |
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