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The 1911 platform has been around for over a century, but the TISAS Duty B9R Double Stack is about as far from your grandfather's government model as you can get while still running the same fundamental action. This is a full-size, 2011-style pistol built around a forged 4140 carbon steel frame and slide, with a polymer grip module that follows the STI-style two-piece frame layout. The result is a high-capacity 9mm that keeps the 1911's famously natural grip angle and single-action trigger pull while adding a 17+1 round capacity and a host of modern features that typically cost a lot more to get into.
The barrel is a bushing-less bull barrel with a precision-machined target crown and a 1:10 right-hand twist, which contributes to notably good accuracy for a pistol in this class. The slide comes fitted with a green fiber optic front sight and a serrated black rear in a Glock-pattern dovetail, and it's pre-milled for direct mounting of Holosun 507k and RMSc footprint optics with lower 1/3 co-witness. The finish is a combination of QPQ on the slide and Cerakote Black (H-146) on the frame and small parts, giving you good corrosion resistance across the whole gun. Front and rear cocking serrations on the slide make press checks and manipulation easy regardless of conditions.
The control package is where this pistol really shines for the money. You get a beavertail grip safety with a memory bump that helps ensure a consistent firing grip every time, an ambidextrous thumb safety with fine serrations, a Commander-style hammer, and an extended magazine release. The polymer grip module features 25 LPI checkering on the front and rear straps plus an aluminum removable magazine well. There's also a Picatinny-compatible accessory rail on the dust cover for lights and lasers. The skeletonized trigger breaks at around 4.75 pounds and is one of the genuine highlights of the shooting experience.
One of the more practical advantages of the B9R is that it runs standard 2011-pattern magazines. The included OEM Checkmate 17-round magazines work great, and the pistol is also compatible with Military Armament Corp and other STI/2011-footprint magazines, so you're not locked into a proprietary ecosystem. Real-world range reports consistently mention zero malfunctions across hundreds of rounds and multiple ammunition types, which is exactly what you want to hear from a duty-format pistol.
The B9R's slide is milled for the RMSc and Holosun 507k footprint, which is a popular micro red dot footprint used by a wide range of compact optics. The mount uses M3x0.5 threads and provides a lower 1/3 co-witness with the factory iron sights, so you can still use the irons through or around most optics without significant adjustment.
The B9R runs standard 2011-style double stack magazines. It ships with two 17-round OEM Checkmate magazines and is also compatible with Military Armament Corp and other STI/2011-pattern magazines. This is a big plus since it means you're not stuck hunting for proprietary mags down the road.
The B9R uses the same fundamental 2011 frame concept made popular by STI, with a forged steel cradle and polymer grip module. The forged 4140 steel construction, bull barrel, and ambidextrous controls put it in a feature class well above its price point. Range testing consistently shows it holds its own in accuracy and reliability against pistols costing significantly more.
Yes. The B9R uses a standard 2011-style polymer grip frame that attaches to the steel cradle with screws, which means it's compatible with most aftermarket 2011 grip modules, including metal frame options. Tisas also offers an alternative grip module with more aggressive texture for those who want a grippier surface. If you do swap or reinstall any grip screws, make sure to check them for proper tightness as part of your routine maintenance.
It's well-suited for both. The full-size 5-inch bull barrel gives you good velocity and a long sight radius, and 17+1 rounds of 9mm is serious capacity for a home defense setup. The single-action trigger, beavertail grip safety, and ambidextrous thumb safety all lend themselves to controlled, deliberate shooting. For range use, the forged steel construction and optic-ready slide make it a natural platform for building skills or competing.
TISAS, imported by SDS Arms, covers the B9R with a 1-year limited warranty against defects in materials and workmanship from the original retail purchase date. After that first year, SDS Arms also provides a Lifetime Service Plan that covers material defects for the life of the firearm, with the exception of normal wear items. The warranty does not cover damage caused by abuse, unauthorized alterations, or use of improper ammunition.
| UPC | 711500175180 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 12500017 |
| Action | |
| Barrel Length | 5" |
| Caliber/Gauge | 9mm |
| Capacity | 17 |
| Color | Black |
| Model | |
| Product Type | Single Action Only |
| Shipping Weight | 4.1 |
| Sights | Fiber Optic Front Sight |
| Slide Description | Serrated |
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