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There's a reason the 1911 platform has been around for over a century, and Sig Sauer's take on it is a solid argument for keeping the tradition going. The 1911R Stainless is a full-size, single-action-only pistol chambered in .45 ACP, built with a stainless steel frame and slide that are machined to tight tolerances and hand-fitted at the factory. The result is a gun that feels substantial and precise right out of the box, with a trigger that breaks clean and a fit and finish that punches above average for a production 1911.
Under the hood, Sig didn't cut corners on the internals. You get a match-grade barrel, a premium hammer and sear set, and a trigger that reflects the quality of those parts. The frame sports 25-line-per-inch checkering on the front strap and 20 LPI on the mainspring housing, giving you a confident purchase whether your hands are dry or not. The blackwood grips add a classic look while the beavertail grip safety with speed bump, extended thumb safety, firing pin safety, and hammer intercept notch give you a thorough safety package that 1911 fans will recognize immediately. Both the frame and slide have been de-horned, which softens any sharp edges and makes this one more comfortable to carry or draw from a holster than many production 1911s.
The SigLite night sights are tritium-based, meaning they glow on their own without needing any battery or light charge. That's a meaningful upgrade over painted or photoluminescent sights, and it makes the 1911R Stainless a more capable option for home defense or low-light range work. The sight radius stretches out to 6.5 inches on a 5-inch barrel, which helps with accuracy at distance. Down at the frame, the M1913 rail lets you mount a light or laser without any gunsmithing, which is a feature not every classic-style 1911 offers. Two 8-round magazines are included from the factory.
The 1911R-45-SSS-CA ships with two 8-round steel magazines. That gives you a loaded gun plus a spare mag ready to go right out of the box, which is a nice touch at this price point. Standard 1911 single-stack .45 ACP magazines from reputable makers are widely available if you want to stock up.
Yes, SigLite night sights use tritium vials that self-illuminate without needing any battery power or light exposure to charge up. They work in complete darkness, which makes them genuinely useful for home defense and low-light situations. Tritium does dim gradually over time, with most vials remaining effective for around 10 to 12 years.
Yes, the slide uses a Novak-style dovetail cut, which is one of the most common 1911 sight cuts on the market. This means aftermarket sight options from companies like Trijicon, Ameriglo, and others are widely compatible if you ever want to upgrade or swap out the factory SigLites.
It can work as a carry gun for someone comfortable with a full-size 1911. The frame and slide have been de-horned from the factory, which eliminates the sharp edges that can print through clothing or cause discomfort during extended carry. That said, at 41.6 ounces unloaded, this is a hefty pistol, so holster selection and carry position matter a lot.
It runs a single-action-only trigger paired with a premium hammer and sear set. SAO triggers on 1911s are known for their short, consistent pull and clean break, and Sig's implementation here uses match-grade internals that deliver noticeably better feel than a budget 1911. There's a reason experienced handgun folks keep coming back to the 1911 trigger.
Yes, the frame includes an M1913 Picatinny rail forward of the trigger guard, which accepts a wide variety of tactical lights and lasers. This is a feature that sets the 1911R apart from more traditional 1911 designs that lack a rail entirely. Most compact weapon lights from Streamlight, SureFire, and similar manufacturers will mount right up.
| UPC | 798681437146 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 1911R-45-SSS-CA |
| Action | |
| ATF Type | Pistol |
| Barrel Length | 5'' |
| Caliber/Gauge | .45 ACP |
| Capacity | 8-Round |
| Length | 8.7'' |
| Magazine Included | 1 x 8-Round |
| Model | |
| Number of Magazines | 1 8 rd. |
| Package Height | 3.0 |
| Package Width | 10.0 |
| Product Type | 1911 |
| Safety | Manual |
| Shipping Weight | 4.2 |
| Sights | Night |
| Sights Type | Night |
| Slide Description | Serrated |
| Units per Box | 1 |
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