Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Duramag AR-15 .400 Legend 10-Round Rifle Magazine
$27.90 $27.89
View Product
Compare (0)
Show
Sort by
Filter by

Perfect for what I need

by Jerry, Verified Owner from MI, United States Written on October 17, 2025
Needed a mag for a 9x39 AR build and this worked great.
Would recommend: Yes
Was it helpful to you? Yes | No

Look like a great mags for the money

by Danny Hatmaker, Verified Owner from FL, United States Written on May 1, 2025
Great mags for the money � have got to shot with them yet but they � great
Would recommend: Yes
Was it helpful to you? Yes | No

Dura Mag 400 Legend

by Louis Gagliardi, Verified Owner from FL, United States Written on October 15, 2024
Runs smooth first time, every time. I have a bunch of these mags in 400 Legend and they are great for my AR platform.
Pros:
  • Perfect fit for my AR
Cons:
  • None
Best Used for:
  • AR 15
Would recommend: Yes
Was it helpful to you? Yes | No

400 Legend Mag

by Louis Gagliardi, Verified Owner from FL, United States Written on June 23, 2024
Top quality Duramag fit and finish. Outstanding materials and workmanship. It’s the only way to go for the Winchester 400 Legend.
Best Used for:
  • ar15 platform
Would recommend: Yes
Was it helpful to you? Yes | No

Duramag AR 400 Legend

by Lou G., Verified Owner from FL, United States Written on June 17, 2024
Perfect compliment to my new build. Works first time, every time. Quality product at a great price and I was able to use my coupons and bucks!
Pros:
  • Quality material and great fit.
Cons:
  • None
Best Used for:
  • AR Platform
Would recommend: Yes
Was it helpful to you? Yes | No
There are no reviews that match your criteria. Would you like to review this product?