Sig Sauer 1911X .45 ACP 8-Round Pistol with Romeo1 Reflex Sight - Black
Sig Sauer
The Sig Sauer 1911X .45 ACP is a modern take on the iconic 1911 platform, blending timeless 1911 ergonomics with contemporary features that appeal to both traditionalists and shooters who want current-generation capability. This 5-inch barrel, full-size model in .45 ACP carries an 8-round magazine and delivers the stopping power and handling characteristics that have made the 1911 a favorite for defensive, range, and competition use for over a century. The 1911X series strips away unnecessary complexity while adding the upgrades that matter: better sights, ergonomic enhancements, and the foundation for optics-ready builds without sacrificing the classic profile.
What sets this Sig 1911X apart is its attention to real-world usability. The XRAY3 day/night sights offer fast target acquisition in any light condition, while the extended ambidextrous manual safety and slide stop let you run the gun from either hand without compromise. The stainless steel frame is finished in black DLC, and the slide wears matching serrations front and rear—a practical design that won't snag on gear or clothing. Custom G10 grip panels from LOK Grips provide secure purchase without bulk, and the adjustable flat-blade trigger rewards precision without requiring gunsmithing.
The undercut trigger guard and detachable magazine well add modern handling refinements, while the optic-ready slide design keeps you future-proof if you decide to mount a compact red dot down the road. This is a full-size carry and range gun that respects 1911 tradition while refusing to be stuck in the past—exactly what serious shooters expect from Sig Sauer.
| Caliber | .45 ACP |
| Barrel Length | 5 inches |
| Magazine Capacity | 8 rounds |
| Frame Material | Stainless steel |
| Frame Finish | Black DLC |
| Slide Material | Stainless steel |
| Slide Finish | Black DLC |
| Sights | XRAY3 day/night sights |
| Trigger | Black serrated flat blade, adjustable |
| Overall Length | 8.7 inches |
| Overall Height | 5.6 inches |
| Overall Width | 1.4 inches |
| Sight Radius | 6.5 inches |
| Weight (with magazine) | 42.1 ounces |
Yes. The 1911X features an optic-ready slide with direct-mount capability designed for compact optic footprints, so you can add a modern red dot if you choose.
The 1911X comes with two 8-round steel magazines and is ready to shoot out of the box with the XRAY3 sights installed.
Yes. Both the manual safety and slide stop levers are extended and ambidextrous, so you can operate them from either hand without switching grip or manipulating the gun awkwardly.
This is the full-size version with a 5-inch barrel in .45 ACP. Sig Sauer also offers carry-sized 4.25-inch models and optic-mounted variants, but this standard configuration provides the full sight radius and capacity for range work, competition, and duty use.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
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