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The CMMG 30-round magazine is built with the same standards you'd expect from a company known for quality AR platforms. It's constructed from advanced polymer that can take a beating from rough handling and harsh environments, and it won't weigh down your kit. If you're running either a standard AR-15 or CMMG's MK4 platform, this magazine feeds 5.56 NATO and .223 Remington ammunition without drama.
The textured grip gets attention right away. You get raised dot stippling all over the body, plus 360-degree reinforcement bands that make reloads smooth even when your hands are wet or gloved. Magazine swaps matter in actual shooting scenarios, and CMMG designed this thing to handle that.
Instead of guessing when your magazine empties, the red anti-tilt follower gives you a visual indicator the moment you run dry. The anti-tilt design itself does real work, preventing rounds from binding and ensuring feeding stays reliable whether you're running suppressed or cranking off rapid shots. That follower is the difference between a magazine that works and one that sits in your range bag.
At 30 rounds, you've got the standard capacity that works with most AR builds and range setups. The polymer construction keeps everything light and durable, so you can stockpile these without regretting the weight. Whether you're loading up for a day at the range or prepping a defensive setup, CMMG magazines feed cleanly and stay put until you need them.
Yes, this magazine is designed for standard AR-15 platforms as well as CMMG's MK4 systems. The dimensions follow AR-15 specifications, so it will fit any compatible lower receiver. Just make sure your upper is chambered in .223 Remington or 5.56 NATO since that's what this magazine feeds.
The red anti-tilt follower serves two jobs. First, it provides a clear visual indicator when your magazine runs empty so you know immediately you're out of ammo. Second, the anti-tilt design prevents rounds from binding or tipping inside the magazine body, which keeps your feeding reliable whether you're running slow precision shots or rapid fire.
Yes. Polymer magazines like this one can stay loaded indefinitely without the springs weakening. Most manufacturers and experienced shooters agree that constantly rotating loaded magazines in and out of storage is more about wear prevention than spring fatigue. You won't hurt anything by keeping these loaded.
The raised dot stippling and reinforcement bands across the magazine give you something to grip even when your hands are wet, sweaty, or gloved. During magazine changes at speed, that texture keeps the mag from slipping, especially in dynamic shooting scenarios or adverse conditions where standard magazines become harder to handle.
| UPC | 810148626778 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 55AFC5B |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
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