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Alpha Foxtrot AF1911-Romulus 9mm 4.25″ Compensated Threaded Barrel

UPC: 810100534608

$1,330.99

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Description

The Alpha Foxtrot AF1911-Romulus is a double-stack 9mm built on the bones of the classic 1911 with a serious list of modern upgrades. The 4.25-inch bull-ramped, compensated, threaded barrel sits at the heart of this pistol — it's the commander-length sweet spot that balances handling and ballistic performance, while the integrated compensator works to keep muzzle rise in check shot after shot. The frame and slide are machined from SUS416 stainless steel and finished in a polished black DLC coating, which is more than just good looks. DLC (Diamond-Like Carbon) resists wear, reduces friction, and fights corrosion in a way traditional bluing or cerakote simply can't match.

What Makes the Romulus Different from a Standard 1911

This isn't your grandfather's 1911. The double-stack polymer grip module gives you serious capacity — up to 20+1 rounds of 9mm — while still delivering that characteristic 1911 trigger feel that makes the platform so popular. The factory-tuned skeletonized trigger breaks cleanly at around 3.5 lbs with minimal take-up, which is a number most gunsmiths charge extra to get to. Add in the extended beavertail, flared magwell, and extended slide release, and you've got a pistol that feels dialed in before you ever add an optic or a light. Night Fision front sight comes standard, so you're covered in low light without needing to swap anything out immediately.

AF1911-Romulus Optics and Accessory Setup

The slide on this version is cut directly for the RMSc footprint, meaning popular micro red dots like the Holosun EPS, Shield RMSc, and similar compact optics mount without any adapter plate in the way. A full-length Picatinny rail on the dustcover opens up compatibility with weapon lights and lasers, rounding out the package for anyone building a purpose-driven range or duty setup. The barrel is threaded as well, so adding a suppressor or a standalone compensator down the road is a straightforward option. Ambidextrous thumb safety and fully ambi controls make it accessible regardless of which hand is dominant. Alpha Foxtrot follows a one-gunsmith-per-gun assembly philosophy, meaning each Romulus is hand-fitted and test-fired before it ships.

Key Specifications

  • Manufacturer: Alpha Foxtrot
  • Model: AF1911-Romulus
  • MPN: AA39X1CMG-XDBK19
  • UPC: 810100534608
  • Caliber: 9mm Luger
  • Barrel Length: 4.25"
  • Barrel Type: Bull-ramped, compensated, threaded
  • Barrel Material: SUS416 stainless steel
  • Rifling: 1:10 RH twist, 6 grooves, button-rifled
  • Frame & Slide Material: SUS416 stainless steel
  • Finish: Polished DLC Black
  • Grip: Ergonomic polymer module with assembled magwell
  • Optics Cut: RMSc direct mount
  • Sights: Night Fision front sight
  • Trigger Pull: Approx. 3.5 lbs
  • Safety: Ambidextrous thumb safety
  • Magazine Capacity: 17-round and 20-round (both included)
  • Action: Single action, hammer fired
  • Rail: Full-length Picatinny rail

What’s Included

  • AF1911-Romulus pistol
  • 17-round magazine
  • 20-round magazine

Frequently Asked Questions

What red dot sights are compatible with the AF1911-Romulus RMSc cut?

The RMSc optics cut on this model supports direct mounting of micro red dots that use the Shield RMSc footprint, including options like the Holosun EPS, Shield RMSc, and similar compact micro optics. No adapter plate is needed for RMSc-footprint optics. Keep in mind that this specific variant is not compatible with the Trijicon RMR footprint — if you want to run an RMR, you'd need the MOS Adapter version of the Romulus instead.

Does the AF1911-Romulus come with a threaded barrel for suppressor use?

Yes, the 4.25-inch barrel on this model is both compensated and threaded. The compensator is the default configuration, but the threaded muzzle means you have the option to run a suppressor or alternate muzzle device down the road. Just confirm thread pitch compatibility with your suppressor manufacturer before purchasing.

What magazines does the AF1911-Romulus use and are they compatible with other 2011-style mags?

The Romulus ships with one 17-round and one 20-round magazine and uses a double-stack 1911/2011-style magazine format. Alpha Foxtrot has noted the pistol is broadly compatible with most double-stack 1911 magazines on the market, though as with any 2011-platform pistol, it's worth running a functional test with any third-party magazines before trusting them for serious use.

How does the DLC finish on the Romulus hold up compared to other coatings?

Diamond-Like Carbon (DLC) is one of the hardest surface coatings available on a production pistol. It offers exceptional wear resistance, reduces metal-on-metal friction between the slide and frame, and resists corrosion better than most conventional finishes. The polished DLC finish on the Romulus also gives the gun a very clean, high-end appearance that holds up well over time compared to standard cerakote or phosphate finishes.

Is the AF1911-Romulus a good option for competitive shooting?

It's well-suited for it. The compensated barrel, crisp factory trigger around 3.5 lbs, flared magwell, extended slide release, and optics-ready slide check nearly every box that competitive shooters look for. The 4.25-inch commander-length format keeps the gun maneuverable, and the included 20-round magazine gives you plenty of capacity for longer stages. It's a production-class gun that competes well above its price point in terms of features.

What is Alpha Foxtrot's build process for the Romulus?

Alpha Foxtrot follows a one-gunsmith-per-gun assembly philosophy, where each Romulus is hand-fitted, polished, and assembled by a single gunsmith from start to finish. Every pistol is also test-fired and checked for proper trigger pull, fitment, and overall function before leaving the facility. That level of individual accountability in the build process is more typical of custom shop pistols than production guns.

Additional information

UPC

810100534608

Manufacturer

Manufacturer Part Number

AA39X1CMG-XDBK19

Shipping Weight

5.05

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