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Finding a proper .40 S&W magazine for a full-size 1911 isn't always easy, which makes this OEM option worth having on hand. Made by Metalform to Armscor/Rock Island Armory's own specifications and tolerances, this 8-round single-stack magazine is built with the same materials as the mag that shipped with your pistol. That means you're not gambling on fitment or feed reliability with some aftermarket wildcard.
The body is steel with a blued finish, keeping things consistent with the RIA 1911 A1's overall aesthetic. The rubber base pad adds a bit of grip when you're stripping the mag and provides some impact protection if it hits the ground during a reload. If you'd rather run a cleaner look or have a tight magwell, the base pad is fully removable for a flush fit.
This mag is specifically designed for the Rock Island Armory full-size A1 1911 platform chambered in .40 S&W, and it also plays nice with like-spec 1911 clones. If you own one of these pistols, having at least one or two backup mags is just practical. Range sessions, training rotations, and general carry readiness all benefit from not relying on a single magazine.
The .40 S&W in a 1911 platform is a bit of a specialty setup, and quality spare mags for it aren't always sitting on every shelf. This one comes straight from the source, so you know it's built to the right dimensions from the start.
Yes, this magazine is designed specifically for the Rock Island Armory full-size 1911 A1 in .40 S&W. It is built to the same manufacturing specifications and tolerances as the original equipment magazine, so fit and function should be seamless. It is also reported to work in other 1911-pattern pistols of similar spec.
Yes. The rubber base pad on this magazine is fully removable. Some owners prefer the base pad for added grip during reloads and drop protection, while others remove it for a cleaner flush fit, especially if running a tight magwell. Either way, it is a simple swap.
The .40 S&W cartridge is slightly shorter overall than the .45 ACP, which allows for an extra round in a standard 1911-length tube. Eight rounds is the standard capacity for a full-size single-stack 1911 magazine in .40 S&W, and this magazine is designed around that from the ground up rather than being a stretched version of a 7-rounder.
This is the genuine OEM magazine from Armscor/Rock Island Armory, manufactured by Metalform to the same specs and materials as the original factory magazine. It is not a third-party aftermarket substitute. If you want a direct like-for-like replacement, this is it.
That depends on your use case, but most people find two to three magazines is a good baseline for range work. Magazines are wear items over time, and having spares means you can rotate them and spot any feeding issues early without being caught short at the range.
| UPC | 812285021256 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 40SW.293B.LFL |
| Brand Fit | Rock Island |
| Caliber/Gauge | .40 S&W |
| Capacity | 8 |
| Model | |
| Model Fit | 1911 A1 |
| Package Height | 1.5 |
| Package Width | 3.0 |
| Product Type | Accessory-Magazines |
| Shipping Weight | 0.33 |
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