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The TISAS 1911 Duty B45RGD TH is built on the Raider platform, itself a tribute to the M45A1 service pistol that was issued to Marine Corps Special Operations forces. This version takes that already capable foundation and adds a threaded barrel for suppressor use and an RMSc/Holosun K optics cut on the slide for mounting today's most popular micro red dots. The result is a full-size, forged steel .45 ACP 1911 that's ready for lights, lasers, a can, and a dot right out of the box.
Construction is all forged carbon steel for both the frame and slide, which gives the gun a noticeably solid feel in hand and contributes to great durability over the long haul. The frame is full-size with a Picatinny accessory rail on the dust cover, making it easy to run a weapon light or laser. The whole package is finished in Flat Dark Earth Cerakote, and the G10 grips in a matching FDE/black two-tone pattern add grip texture that actually works without tearing up your hands. Series 70 compatible internals, a skeletonized hammer and trigger, ambidextrous thumb safeties, a beavertail grip safety, and Novak-style three-dot sights round out the control set.
The threaded barrel is forged and button-rifled, measuring 5 inches with threads at .578×28 TPI for standard suppressor compatibility. The barrel extends slightly past the slide when threaded, which is worth keeping in mind for holster selection. Reviewers who've put real round counts through the Raider platform consistently note tight slide-to-frame fit, solid extractor tension, and reliable function with standard 230-grain ball and hollow point ammunition. The single-action trigger and long sight radius that come standard on any Government-length 1911 make this a naturally accurate platform to work with.
This pistol comes with two 8-round magazines and is backed by a 1-year limited warranty from SDS Arms, with a lifetime service plan that kicks in after the first year.
Yes. The threaded barrel is forged, button-rifled, and cut at .578×28 TPI, which is the standard thread pitch for most .45 ACP suppressors on the market. No additional fitting or modifications are needed to attach a compatible can. Just keep in mind the threaded barrel protrudes slightly past the slide, so you will need a suppressor-compatible or purpose-built holster.
The slide is cut for the RMSc and Holosun K footprint, which covers a wide range of popular compact red dots including the Holosun 507K, 407K, and Shield RMSc. These are among the most common micro red dot footprints on the market, so you have plenty of good options to choose from. No adapter plate is required for compatible optics.
The Raider platform that the B45RGD TH is built on was designed as an affordable tribute to the Colt M45A1 used by MARSOC. It uses a forged steel frame and slide with Series 70 compatible internals and no MIM parts, which puts its construction quality well ahead of what you might expect at this price point. Independent reviewers who have put several hundred rounds through the Raider platform have noted tight slide-to-frame fit, reliable function, and better-than-expected accuracy.
The full-length Picatinny rail on the dust cover is a standard MIL-STD-1913 spec rail, so it will accept a wide variety of weapon lights and laser aiming devices. Popular options include lights from SureFire, Streamlight, and similar manufacturers that offer 1913-rail-compatible models. Just double-check the light's rail compatibility and footprint dimensions before purchasing, since some compact lights are designed for shorter rails.
Yes, the TISAS 1911 Duty B45RGD TH includes two 8-round magazines. This is confirmed across multiple retailer listings for this model. If you plan to run higher-capacity aftermarket magazines, keep in mind that standard 8-round single-stack magazines are generally the most reliable option for this platform.
Tisas and SDS Arms back this pistol with a 1-year limited warranty covering defects in materials and workmanship from the date of original retail purchase. After that first year, a lifetime service plan takes effect covering material defects for the life of the firearm. Wear items, abuse, and modifications are excluded from both coverages.
| UPC | 711500175548 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 10100565 |
| Action | |
| Barrel Length | 5" |
| Caliber/Gauge | .45 ACP |
| Capacity | 8 |
| Color | Flat Dark Earth |
| Model | |
| Product Type | 1911 |
| Safety | Beavertail Grip/Hammer/Thumb |
| Shipping Weight | 4.1 |
| Sights | Novak |
| Slide Description | Serrated |
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