Description
The DURAMAG Speed 20-round magazine takes the proven USGI aluminum design and improves it in ways that matter on the range or in the field. Unlike traditional straight-bodied 20-rounders that can jam when rounds dive toward the feed lips, this magazine follows the curved contour of a full 30-round magazine. That curve lets it use a full-size anti-tilt follower, which keeps every round aligned and feeding consistently.
Aluminum Construction Built to Last
The Speed magazine uses 6061-T6 aluminum welded with full robotic automation, then Type-III hard-coat anodized for durability. The red color you get isn't painted on, it's part of the anodizing process itself and integrated into the metal. This means it won't chip or flake off like surface coatings on cheaper magazines. The entire body gets consistent treatment, inside and out, with a proprietary low-friction T-360 coating that helps even dirty ammunition feed smoothly.
Why This 20-Round Design Works
The 20-round format has real advantages that make the Speed line worth the investment. It fits easier in tight shooting positions, rides more comfortably on a belt, and takes up less space in a range bag. Because it follows a 30-round profile, you get the handling and ergonomics people know without fighting with a stubby, short magazine body. The anti-tilt follower, LipLock feed geometry, and EverFlex spring all work together to eliminate the jamming and short-stroking that plagued older straight 20-rounders.
Built for Storage and Hard Use
You can load these magazines and leave them loaded for as long as you want without worrying about the spring wearing out or the body warping. Aluminum doesn't flex or swell like polymer does in temperature swings, so your magazine stays dimensionally stable whether it's in a climate-controlled safe or sitting outside. Fully robotic welding with progressive die tooling ensures you get the same tight tolerances and fit every time you buy one.
Key Specifications
- Capacity: 20 rounds
- Caliber: .223 Remington / 5.56 NATO / .300 Blackout
- Material: 6061-T6 aluminum
- Finish: Type-III hard-coat anodized
- Color: Red
- Follower: Polymer anti-tilt (AGF)
- Spring: Mil-spec 17-7 stainless steel
- Fit: AR-15 / M4 / M16 platforms
- Manufacturer: DURAMAG (C Products Defense)
- Manufacturer Part Number: 2023004175CPD
- UPC: 766897411601
- Made in USA: Yes
What’s Included
- 1x DURAMAG Speed 20-round 5.56 aluminum magazine
Frequently Asked Questions
Why would I choose a 20-round magazine over 30 rounds?
The 20-round format is ideal for prone and bench shooting, where longer magazines can interfere with your position. They also sit lower on your belt, carry lighter, and take up less pack space. The Speed's curved profile still gives you the ergonomics of a larger magazine without the bulk.
How does the curved profile prevent feeding failures?
Straight-bodied 20-rounders can cause rounds to dive toward the feed lips because of their sharp geometry. The Speed follows a 30-round curve, which allows it to use a full-size anti-tilt follower. This keeps rounds at a consistent angle and angle for reliable feeding, nearly eliminating the jamming problems of older straight designs.
Can I safely store this magazine loaded for extended periods?
Yes. Aluminum doesn't flex or swell like polymer, and the EverFlex spring is engineered for indefinite loaded storage without weakening. The magazine body won't warp or develop tension issues, making it safe to keep loaded in your safe or field kit for months or years.
Is the red color a surface coating or part of the material?
The red is part of the Type-III hard-coat anodizing process, meaning it's integrated into the metal itself. It won't chip, flake, or wear off like painted finishes. The anodizing also improves corrosion resistance and durability across the entire magazine.






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