Tisas Duty 9 DS 9mm 1911 Double-Stack, Full-Size, 5 inch Bushing Barrel, 17+1, Forged Steel, Picatinny Rail
The Tisas Duty 9 DS is a full-size, double-stack 1911-pattern pistol chambered in 9mm Luger. It combines a forged carbon-steel slide and frame with a textured polymer grip module and backstrap, a 5 inch bushing barrel, and a 17+1 capacity. Features include ambidextrous and grip safeties, a lowered and flared ejection port, and a Picatinny accessory rail on the dust cover.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minor superficial scratches and blemishes are present on exterior surfaces.
What’s Included
- Tisas-branded hard case
- Tisas owner's manual
- 1911 barrel bushing wrench
- Two 17-round double-stack steel magazines with witness holes
This model is part of Tisas's Double Stack Series and uses a 1911 single-action-only platform with a full-size grip and a removable flared magwell funnel. The design supports a 17+1 capacity while maintaining familiar 1911 ergonomics.
Construction is anchored by a forged carbon-steel slide and frame paired with a polymer grip module and backstrap. An undercut trigger guard promotes a higher grip, and the skeletonized commander-style hammer and lightened three-hole trigger complete the control setup.
Controls and slide work are thoughtfully executed: ambidextrous thumb safety, beavertail grip safety, and internal passive safeties; front and rear cocking serrations; and a lowered, flared ejection port. Sights are dovetailed irons with a white-dot front and a serrated square-notch rear, with a measured sight radius of 168.7 mm.
The dust cover includes a Picatinny accessory rail. Markings observed include "CAL 9mm LUGER" on the barrel hood and "TISAS KNOXVILLE, TN, TURKIYE" import/country marks. Two screw heads are visible on the top-rear of the slide; the purpose is not specified in the provided information.




