Description
The Alpha Foxtrot Romulus Ported 9mm MOS is a hammer-fired, double-stack 9mm 1911 with a 5-inch bull ramped barrel that is ported to cut muzzle rise. It comes with an optic-ready slide, glowing night sights, and five 20-round magazines, so it is ready for the range, competition, or home defense right out of the box.

Alpha Foxtrot Romulus Ported 9mm MOS Overview
Alpha Foxtrot builds modern double-stack 1911s that pair the classic single-action trigger with today’s high-capacity grip modules and optics cuts. The Romulus is the company’s full-featured line, with a stainless SUS416 frame and slide finished in black polished DLC, a hard coating that resists wear and corrosion far better than bluing. This version adds a ported bull barrel, a modular optic system (MOS) slide with an adaptor plate, and a five-magazine package, which makes it one of the more complete pistols in its price range.
Ported Bull Barrel
The 5-inch bull barrel is ramped for reliable feeding and fully supported chamber, and ports near the muzzle vent gas upward to push the muzzle down during recoil. That helps the dot or front sight settle faster for quick follow-up shots. The tradeoff with porting is more noise and blast toward the shooter, extra carbon fouling on the slide and optic lens, and a bright flash in low light, which matters for a defensive gun used at night. Clean the ports regularly to keep them working.

Optics Ready
The MOS slide uses an adaptor plate to mount a range of pistol red dots. A red dot speeds target acquisition and helps shooters whose eyes struggle with iron sights. Make sure you get the right plate and screws for your optic, and check the screws with thread locker before your first range trip. The glowing night sights remain usable as a backup and are bright in dim light.
Double-Stack Capacity and Grip
The injected polymer grip module holds 20-round double-stack magazines, and five come in the box. An extended beavertail lets you choke up high on the gun, and a flared magwell guides fast reloads. Like all 1911-pattern pistols, reliability depends heavily on good magazines, so stick with factory or proven aftermarket mags. Some states limit magazine capacity, so check your local laws before ordering.
Controls and Accessories
An ambidextrous thumb safety and extended slide release make the gun friendly to both right- and left-handed shooters. The Picatinny rail accepts weapon lights and lasers. Because the Romulus uses a double-stack frame with a rail, holster choices are narrower than for a standard 1911, so confirm a holster fits before you buy one.
Trigger and Handling
The single-action, hammer-fired trigger is short and crisp, which is the main reason shooters love the 1911 design. Combined with the heavy steel slide and porting, recoil feels soft and flat. The pistol is heavy and large, so it shines at the range, in competition, and at home rather than for discreet everyday carry.
Care and Maintenance
Porting means more carbon on the slide, so clean the barrel, ports, and slide face after each session, and wipe your optic lens. Keep the slide rails lightly lubricated. The polished finish is tough but will show holster wear over time.
State Laws
Some states restrict magazine capacity or keep handgun rosters. Check your local regulations, and your receiving FFL dealer can help confirm this pistol is legal where you live.
Specifications
- Brand: Alpha Foxtrot
- Model: AF1911 Romulus, 5″ ported MOS
- UPC: 810100538361
- Caliber: 9mm Luger
- Action: Hammer-fired single action
- Capacity: 20+1 (five 20-round magazines included)
- Barrel: 5″ bull ramped, ported
- Frame and Slide: SUS416 stainless, black polished finish
- Optics: MOS slide with adaptor plate
- Sights: Glowing night sights
- Grip: Injected polymer module, extended beavertail, flared magwell
- Controls: Ambidextrous thumb safety, extended slide release
- Rail: Picatinny
Before You Buy
Federal law requires handguns to ship to a licensed FFL dealer, and you must be 21 or older and pass a background check to take possession. Plan for a red dot, the correct mounting plate, and a holster made for a railed double-stack 1911.
Who It Is For
The Alpha Foxtrot Romulus Ported 9mm MOS is a great fit for competition shooters, range enthusiasts, and home defenders who want a soft-shooting, high-capacity 1911 with optics and porting ready to go.
Buy the Alpha Foxtrot Romulus Ported 9mm MOS at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Alpha Foxtrot Romulus Ported 9mm MOS online and ship it to your local FFL dealer, or browse our full selection of firearms for more pistols. For factory details, visit Alpha Foxtrot.






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