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When it comes to keeping your Sig 1911 Compact running right, there's really no substitute for a factory mag. This is the MAG-1911-45-7, the OEM 7-round magazine built specifically for Sig Sauer 1911 Compact and Ultra Compact pistols chambered in .45 ACP. It's not a clone or a third-party workaround, it's the same magazine Sig puts in the box.
The body is stainless steel, and the spring is heat-treated wire, which matters more than it sounds. A weak or inconsistent spring is one of the most common causes of feeding issues in 1911s, and this one is built to spec. The follower is stainless as well, and the flat stainless basepad keeps the profile flush, which is exactly what you want in a compact carry platform. Numbered witness holes on the side let you do a quick visual round count without having to strip the mag.
Fit is tight and wobble-free, the way a well-made 1911 magazine should be. Owners who run these regularly report smooth, reliable feeding across a wide range of bullet profiles, from ball to hollow point, with no fuss. That kind of consistent performance is why sticking with factory is worth it.
One important compatibility note: this magazine is sized for the shorter Compact and Ultra Compact frame. It will not function properly in a Government or Commander-size 1911. If you're running one of those longer frames, you'll want to look at the 8-round version instead. Sold as a single unit.
This magazine is designed for Sig Sauer 1911 Compact and Ultra Compact pistols chambered in .45 ACP. It is sized for the shorter Compact frame and will not function correctly in Government or Commander-length 1911s. If you're running a full-size or carry-size Sig 1911, you'll want to look at the 8-round version instead.
It can work in many Officer-size 1911 pistols from other manufacturers, since the 1911 platform is fairly standardized in that frame size. That said, fit and feeding can vary between brands, so Sig Sauer designed and guarantees this mag for their own Compact and Ultra Compact models specifically. It's always a good idea to test any mag thoroughly before relying on it in a non-Sig pistol.
This is a genuine OEM Sig Sauer magazine, made to the same specifications and tolerances as the original that shipped with your pistol. It is not a third-party or aftermarket mag. Sig does note that their magazines are manufactured to spec across multiple production sources, so minor cosmetic differences in finish or stamping are possible, but the specs and performance remain consistent.
The magazine features numbered witness holes along the side of the body, so you can get a quick visual round count at a glance without stripping the mag. It's a small feature but a genuinely useful one, especially at the range or during a press check.
It's built for both. The flat stainless basepad keeps the profile compact and snag-free, which makes it a solid choice for carry use. The stainless construction is also corrosion-resistant, which is a real plus for a magazine that's going to live in a holster or pocket day after day.
This is sold as a single magazine with a flat stainless basepad already installed. No extra floor plates or accessories are included. The basepad is removable for cleaning and maintenance, which is standard for this style of magazine.
| UPC | 798681412129 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MAG-1911-45-7 |
| Brand Fit | Sig Sauer |
| Caliber/Gauge | .45 ACP |
| Capacity | 7 |
| Color | Stainless |
| Length | 8.6 |
| Model | |
| Model Fit | 1911 |
| Package Height | 1.9 |
| Package Width | 4.1 |
| Product Type | Accessory-Magazines |
| Quantity | 1 |
| Shipping Weight | 0.25 |
| Style | Detachable |
| Units per Box | 1 |
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