Tisas 1911 Duty DS 9mm 5" Double-Stack Optics Ready Patriot Brown/FDE 18+1

The Tisas 1911 Duty DS is a full-size, double-stack semi-automatic pistol chambered in 9mm Luger, combining traditional 1911 operating characteristics with a higher-capacity magazine system and contemporary frame design. This example, factory model 12500904, features a 5-inch barrel, carbon steel slide and frame, and a distinctive two-tone finish consisting of a Patriot Brown Cerakote slide and Flat Dark Earth frame. Its full-length dust cover, textured grip panels, and extended beavertail give the pistol a modern appearance while retaining the familiar lines of the 1911 platform.

The Duty DS is built around a single-action, hammer-fired operating system, incorporating many of the traditional controls associated with John Browning's original 1911 design. These include an exposed hammer, skeletonized trigger, extended beavertail grip safety, and ambidextrous manual thumb safety. Unlike conventional single-stack 1911 pistols, the Duty DS uses a wider double-stack magazine configuration with a standard 18+1-round capacity. The textured grip panels and checkered frontstrap provide additional gripping surfaces, while the extended frame incorporates an accessory rail beneath the dust cover.

This configuration features a 5-inch black-finished barrel housed within a carbon steel slide with angled front and rear cocking serrations. The slide is machined with an RMSc-pattern direct-mount optics cut, allowing installation of compatible miniature red-dot sights. Its sight arrangement includes a fiber-optic front sight and rear sight, while the optics mounting area is covered by a fitted plate when an optic is not installed. The slide's muted Patriot Brown finish contrasts with the lighter Flat Dark Earth frame and black controls.

Several details distinguish this particular pistol's appearance, including the black skeletonized trigger, extended hammer, ambidextrous safety levers, and textured tan grip panels bearing the Tisas logo. The frame features a full-length accessory rail and a squared trigger guard, while the grip incorporates textured front and rear surfaces. The photographs also show the manufacturer's Tisas USA markings from Buford, Georgia, along with the pistol's contrasting black magazine baseplates.

Specifications:

• Manufacturer: Tisas Arms
• Model: 1911 Duty DS
• Manufacturer SKU: 12500904
• UPC: 711500176224
• Caliber: 9mm Luger (9x19mm)
• Action: Single-Action Semi-Automatic
• Operating System: Short-Recoil, Locked Breech
• Frame Size: Full Size
• Barrel Length: 5 Inches
• Barrel Finish: Black
• Barrel Threading: Non-Threaded
• Capacity: 18+1 Rounds
• Magazine Type: Detachable Double-Stack
• Slide Material: Carbon Steel
• Slide Finish: Patriot Brown / Coyote Brown Cerakote
• Frame Material: Carbon Steel
• Frame Finish: Flat Dark Earth
• Grips: Textured FDE Polymer Grip Panels
• Trigger: Single-Action, Skeletonized
• Hammer: Exposed
• Safety: Ambidextrous Manual Thumb Safety and Beavertail Grip Safety
• Sights: Fiber-Optic Front and Rear Iron Sight
• Optics Ready: Yes
• Optics Footprint: RMSc Direct Mount
• Slide Serrations: Front and Rear
• Accessory Rail: Integrated 1913 Picatinny-Style Rail
• Overall Length: Approximately 8.63 Inches
• Overall Height: Approximately 5.42 Inches
• Factory Weight: Approximately 2.44 lbs.
• Magazines Included: 2
• Condition: New