Duramag AR-15 Stainless Steel Magazine 20 Round – .223/5.56/300BLK

SKU: 2023041178CPD

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An Extremely Durable And Reliable Magazine Way Better than Aluminum And Polymer

The Duramag AR-15 Stainless Steel Magazine – .223/5.56/300BLK is designed for performance and durability and crafted exclusively for serious shooters who require the most out of their magazines.

It’s constructed from a specially heat-treated 410 series stainless steel process to meet the needs of today’s combat conditions. This material, coupled with advanced interior and exterior geometries, ensure ultimate reliability and feeding.

Duramag AR-15 Stainless Steel Magazine – .223/5.56/300BLK

Black T-360 Finish For A Smooth, Low-friction Function

Duramag AR-15 Stainless Steel Magazine – .223/5.56/300BLK is extremely durable and dependable, and routinely outperform the MIL-SPEC aluminum magazines in almost every test. It will not flex or swell like polymer and are safe for extended storage while loaded without any add ons.

This AR-15 magazine includes a Black-T finish for the smooth, low-friction function that even handles dirty ammunition. The anti-tilt follower and increased interior dimensional room reinforce proper stacking of the rounds to dramatically reduce jamming.

These magazines also utilize the T-360 coating to ensure not only incredibly smooth performance and ease of loading but also product longevity through the harshest conditions. These are the ultimate magazine of choice for shooters that are running 300 Blackout especially round with long load length or even the heaviest of sub-sonic loads.


  • Caliber: .223 Remington, 5.56 NATO
  • Capacity: 20 Rounds
  • Body Material: 410 Series Stainless Steel
  • Spring Material: 17-7 Stainless Steel Wire
  • Follower Material: Polymer
  • Baseplate Material: Steel
  • Follower Color: Orange
  • Weight: 3.2 oz
  • Made in the USA
  • Finish: Matte Black

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 7 reviews
K Davis
Great stuff

The magazines are great, along with excellent customer service, fast shipping, and low prices. I highly recommend these guys.

Oh, and they’ve got a great YouTube channel too. You should check it out.

Great with work

The shipping was fast and on time! As it goes for the mags the feed lips were sharp and leaving marks on my brass, but a little sanding to round off the edges and all is good. Still need to test fire them but don't see why they wouldn't be perfect for a DMR

Thank you for taking the time to leave a review for our Duramag AR-15 Stainless Steel Magazine. We're glad to hear that our shipping was fast and on time. We apologize for any inconvenience caused by the sharp feed lips, but we appreciate your resourcefulness in sanding them down. We're confident that our magazine will work perfectly for your DMR once you've had a chance to test fire it.

Jeff Johnson
A great OEM Mag

A great Mag that will last forever. The version I purchase is the stainless steel. These are US Army OEM Mags.

J Valdez

Got them for my classic dissipator build I'm working on.

Thanks for the review! We're glad you liked it!

F Hicks
Great value

Great magazine just as good as what I carried in the Army in the 70's.

Thanks for sharing your feedback! We're glad you're satisfied with your purchase.