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Rock Island 1911 owners know the drill: the pistol usually ships with one magazine, and one is never enough. The Armscor ACT-MAG is the go-to solution because it is not a third-party aftermarket mag trying to fit a platform it was not designed for. It is manufactured to Armscor and Rock Island Armory specifications, using the same materials and tolerances as the original equipment magazine that came with your gun.
The body is high carbon steel with a polished blued finish that looks right at home on a traditional 1911. Inside, a high-tensile steel spring and anti-tilt polymer follower work together to keep feeding smooth and consistent, round after round. Numbered witness holes on the side let you get a quick round count without dropping the mag, and the polymer base plate is impact-resistant enough to take a drop without cracking or shedding pieces.
This magazine fits full-size Government and Commander-length Rock Island Armory 1911 pistols chambered in 9mm, and it has also been reported to run well in other 1911-pattern 9mm pistols built to standard dimensions. Ten rounds of 9mm in a single-stack 1911 format gives you a clean grip profile without a protruding extended magazine, which works well for both range use and carry setups.
Manufactured in Italy to Armscor quality standards, the ACT-MAG is the kind of spare you grab a couple of because the price is reasonable and the function is proven. Whether you are rounding out your range bag or just want a backup ready to go, this is the sensible choice for any full-size RIA 1911 in 9mm.
Yes. This is the factory-replacement magazine built specifically for full-size Rock Island Armory A-1 1911 pistols chambered in 9mm. It is made to the same specifications and tolerances as the magazine that ships with the gun, so fit and function should be seamless right out of the package.
It is designed and spec'd for RIA full-size Government and Commander-length 1911s, but because it is built to standard 1911 dimensions, many owners report it running reliably in other standard-frame 9mm 1911 clones as well. Fit can vary depending on the manufacturer, so it is worth confirming your pistol accepts standard 1911 single-stack 9mm magazines before purchasing.
This is the factory ACT-MAG, produced by Armscor to the same specs and with the same materials as the original equipment magazine. It is not a generic aftermarket replacement but rather the same magazine sourced directly from the manufacturer.
A tight spring on a fresh magazine is completely normal and actually a sign of good spring tension. It can feel stiff loading up to the full 10-round capacity at first, but the spring will break in with use and cycling. You can also speed up the break-in process by loading and unloading the magazine a few times before heading to the range.
The base plate is made from impact-resistant polymer, which helps absorb shock if the magazine gets dropped during a reload. It keeps the floor plate and the internals protected without adding significant weight or bulk to the profile of the mag.
The ACT-MAG features numbered witness holes along the side of the steel body, so you can see and count your remaining rounds at a glance. It is a small but genuinely useful feature, especially at the range when you want to track how many rounds you have put downrange.
| UPC | 812285024448 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 45201 |
| Caliber/Gauge | 9mm |
| Capacity | 10 |
| Color | Blue |
| Length | 8 |
| Model | |
| Package Height | 0.8 |
| Package Width | 2.0 |
| Product Type | Magazine |
| Shipping Weight | 0.15 |
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