Duramag Speed AR-15 20 Round Aluminum Magazine – .223/5.56 NATO

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20 Round Curved Duramag with Anti-Tilt Follower

The Duramag Speed 20 Round Aluminum Magazines follow the curve of full 30 round magazines. This allows these compact magazines to use full size, anti-tilt followers for optimal reliability. Where classic, straight 20 rounders experience jams due to rounds diving, this improved magazine ensures steady, consistent feeding. These magazines are ideal for short, light rifles and PDWs, and come in a variety of colors.

Newly Designed Anti-tilt Follower

Its body is robotically welded from 6061-T6 aluminum and is type-III hard-coat anodized for a precise fit and unequaled durability, while still remaining lightweight. This .223 Remington/5.56 NATO caliber  magazine features a newly designed anti-tilt follower that nearly eliminates jamming, as well as a proprietary Black-T coating for a smooth, low-friction function that handles even dirty ammunition well.

Duramag Speed 20 Round Aluminum magazines are safe for extended storage while loaded and will not flex or swell like polymer. Both affordable and reliable –  you can truly depend on these magazines with consistency and peace of mind that you can rely on. These mags also work well for most .300 Blackout loads.


  • Caliber: .223 Remington, 5.56 NATO, .300 BLK
  • Capacity: 20 Rounds
  • Body Material: Aluminum Alloy 6061 T6 Temper
  • Spring Material: 17-7 Stainless Steel Wire
  • Follower Material: Polymer
  • Follower Color: Available in Orange and Black
  • Baseplate Material: Steel
  • Weight: 4 oz
  • Compatibility: Standard AR-15 Platform Firearms
  • Made in the USA

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Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

C Product Defense Replacement Warranty

C Products Defense offers a 100% replacement guarantee on defective products.

For more details on their warranty information, please contact them directly on the details below.

Contact Details:

  • Telephone: (941) 727-0009
  • Email: sales@dura-mag.com

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

Customer Reviews

Based on 3 reviews
Mo from WV
Easy to load

I bought 10...20 rounders.
I loaded all 10 so smoothly that it felt like I was missing a couple. Literally had to count them to check myself.
Next purchase coming soon. 30 rounders.

Thank you for your positive feedback on our Duramag Speed AR-15 20 Round Aluminum Magazine! We are glad to hear that you found them easy to load and that you plan on purchasing more soon. We appreciate your support and hope you continue to enjoy our products. Happy shooting!

Just what I ordered

Seems to be a well made magazine comparable to the ones we had in Nam with a better follower.

Thanks for the review! We're glad to hear that you're happy with the magazine.

Jerry stevens
aluminum 223 magazine

I have always used aluminum magazine and was glad to find them available at AT.

Great review! We love aluminum magazines for their lightweight and durable nature.