Duramag 20 Round 350 Legend Magazine for AR-15 – Stainless Steel

SKU: 2035041178CPD

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20 Round Single-Feed 350 Legend Magazine

Boasting a full 20 round capacity of 350 Legend, this magazine is designed for serious shooters who require the most out of their magazines. Constructed from premium 410 Stainless Steel and built with advanced interior and exterior geometries to ensure ultimate reliability and feeding.

Gives A Specific Rib Geometry Crucial To Reliable Feeding

Duramag .350 Legend magazines will not flex or swell like polymer due to storing while loaded or environmental / temperature changes. This magazine is a great option when performance and durability are paramount. It utilizes a T-360 coating to ensure incredible performance and product longevity through the harshest conditions.

The .350 Legend magazines are available in 5 Round and 10 Round capacities and safe for extended storage while loaded. The Duramag .350 legend gives a specific .350 rib geometry which is crucial to reliable feeding and round stack internally. These magazines are also marked with .350 on the body and the follower for easy identification.


  • Caliber: .350 Legend
  • Capacity: 20 Rounds
  • Body Material: 400 series stainless steel
  • Spring Material: 17-7 Stainless Steel Wire
  • Follower Material: Polymer
  • Follower Color: Orange
  • 17-7 Stainless Steel Wire Spring
  • Anti-Tilt Follower
  • Finish: Matte Black
  • Made in the USA

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 40 reviews
Casey R.
Well Made

Very happy with the quality of these mags. Holds 20 350 Legend rounds and I haven't had any jam issues. (Photo shows 20 round mag compared to 5 round mag)

Thank you for sharing your feedback! We're glad you are satisfied with your purchase!


I have not used them yet

'Thank you for your feedback. We hope you have a chance to use the mags soon and please let us know if you have any questions or concerns. Happy shooting!'

lewis stuffle
350 legend mags

I have purchased several Duramags in 350 legend both in 5 and 20 round price is fair for this good of a metal mag and they work they 20 is great for target not as many reloads needed and the 5 for hunting. These are the only mags I have found to work with the 350 legend as advertised load easy and they hold the correct amount of ammo Thank You.

Thank you for your positive review of our Duramag 20 Round 350 Legend Magazine for AR-15 in stainless steel. We are pleased to hear that you have had a good experience with the product.

Abe Troyer

Duramag 20 Round 350 Legend Magazine for AR-15 - Stainless Steel

Loren Schlabach


Thank you for the review. We appreciate it!