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Alpha Foxtrot AF1911 Romulus 5″ 9mm Double-Stack Pistol

UPC: 810100535803

$1,329.00

4 in stock

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Description

The Romulus takes everything people love about the 1911 platform and updates it for the way people actually shoot today. Built in Duluth, Georgia, it runs on a 2011-style architecture — meaning a steel frame mated to a polymer grip module — giving you that classic 1911 feel and trigger with the higher-capacity double-stack layout that competition and range use demand. At 20+1 rounds of 9mm, you're not running out of firepower anytime soon.

The frame and slide are machined from SUS416 stainless steel and finished in a polished Diamond-Like Carbon coating that not only looks sharp but adds real-world durability and corrosion resistance. The 5-inch barrel is an ultra-match 416R button-rifled bull design with a 1:10 right-hand twist and a ramped feed ramp, which tightens lock-up and squeezes out every bit of accuracy the platform is capable of. The slide wears front and rear serrations, and the optic cut is set up with an MOS adapter system that ships with plates for both Trijicon RMR and Holosun RMSC footprints — so you can mount your preferred red dot without hunting down an aftermarket plate.

The ergonomics are all competition-grade out of the box. Night Fision tritium sights are fitted from the factory for low-light use. The skeletonized flat-face trigger breaks cleanly with a short reset, the kind of feel that typically costs extra on a custom 1911 build. Grab the pistol and you'll immediately notice the extended beavertail, the oversized and undercut trigger guard, and the flared magwell — all working together to make reloads faster and the grip more consistent under pressure. The ambidextrous thumb safety and extended slide release round out a control package that works well for both left- and right-handed shooters.

This pistol fits the bill for a range regular, a competitive shooter running USPSA or IDPA, or anyone who wants a feature-loaded 9mm 1911 without building one part by part. The included Picatinny rail opens the door to lights and lasers, and the 2011 magazine ecosystem means you have solid aftermarket support on the magazine side as well.

Key Specifications

  • UPC: 810100535803
  • MPN: AA39X1EID-PDBK19
  • Caliber: 9mm
  • Action: Semi-Auto, Single Action, Hammer Fired
  • Barrel Length: 5 inches
  • Barrel Type: Ultra-Match 416R Button-Rifled Bull Barrel, Ramped
  • Rifling Twist: 1:10 RH, 6 Groove
  • Capacity: 20+1
  • Frame Material: SUS416 Stainless Steel
  • Slide Material: SUS416 Stainless Steel
  • Finish: Polished Black DLC (Diamond-Like Carbon)
  • Grip: Injected Polymer Module
  • Sights: Night Fision Tritium Night Sights
  • Trigger: Skeletonized Flat-Face
  • Safety: Ambidextrous Thumb Safety
  • Optic Compatibility: MOS Adapter Cut — Includes RMSC and RMR Adapter Plates
  • Rail: Picatinny Accessory Rail
  • Manufacturer: Alpha Foxtrot (Duluth, Georgia, USA)

What’s Included

  • AF1911 Romulus 5" 9mm pistol
  • 17-round double-stack magazine
  • 20-round double-stack magazine
  • RMSC optic adapter plate (pre-installed)
  • RMR optic adapter plate
  • Soft pistol case

Frequently Asked Questions

Is the AF1911 Romulus a true 1911 or more of a 2011-style pistol?

It is a 2011-style platform. The Romulus uses a steel frame mated to a polymer grip module — the same architecture you see on Staccato and other modern double-stack 1911s — rather than a traditional all-metal single-stack 1911 layout. You get the same classic 1911 single-action trigger feel and ergonomics, but with a double-stack grip for higher capacity. Alpha Foxtrot uses the AF1911 name, but owners and reviewers consistently place this gun squarely in the 2011 category.

What optics fit the Romulus 5" MOS cut, and do I need to buy adapter plates separately?

This specific model (UPC 810100535803, MPN AA39X1EID-PDBK19) ships with both an RMSC and an RMR adapter plate included, so most popular red dots are covered right out of the box — including Trijicon RMR, SRO, and Holosun 507/407 series in both footprint sizes. You will not need to purchase plates separately for those common footprints. When mounting your optic, use the correct torque spec and threadlocker on the plate screws for best long-term retention.

What magazines does the Romulus use, and are aftermarket mags compatible?

The Romulus uses standard 2011-style double-stack magazines, and the pistol ships with one 17-round and one 20-round magazine. The platform is broadly compatible with the wider 2011 magazine ecosystem, including MBX and similar quality aftermarket options. As with any tight-tolerance pistol, it is worth verifying compatibility with any specific aftermarket magazine brand before running it hard, as feeding behavior can vary between manufacturers.

How does the trigger feel on the AF1911 Romulus compared to other 1911s in its price range?

The Romulus ships with a skeletonized flat-face trigger that is tuned to a crisp, clean break with a short reset — something that usually requires an aftermarket trigger job on other production 1911s. Trigger pull weights reported across multiple hands-on reviews tend to land in the 3.5 to 4 pound range, with one reviewer measuring as light as 2.5 pounds on their sample. For a production pistol at this price point, the out-of-the-box trigger quality is one of its most frequently praised features.

Is the Alpha Foxtrot Romulus a good choice for competition shooting?

It is well suited for practical shooting sports like USPSA, IDPA, and similar disciplines. The combination of a 20+1 capacity, flared magwell, extended slide release, low-mass flat-face trigger, and optic-ready slide checks almost every box a competitive shooter would look for in a 2011-style platform. Real-world shooters have used it in club-level competition with solid results, and the 5-inch barrel length helps with sight radius and recoil management for follow-up shots.

What is the DLC finish on the Romulus, and how durable is it?

DLC stands for Diamond-Like Carbon, a hard surface coating applied to both the SUS416 stainless steel frame and slide. It is significantly harder and more scratch-resistant than traditional bluing or parkerizing, and it provides strong corrosion resistance for a long-lasting, low-maintenance finish. The polished version on this model gives the gun a smooth, almost mirror-like appearance while retaining the protective qualities of standard DLC — it is not just cosmetic.

Additional information

UPC

810100535803

Manufacturer

Manufacturer Part Number

AA39X1EID-PDBK19

Barrel Length

5"

Caliber/Gauge

9mm

Capacity

20 + 1

Safety

Thumb

Shipping Weight

4.4

Slide Description

Optic Ready/Serrated

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