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Accurate Mag

Accurate Mag AICS-Pattern .300 Win Mag SSSF Magazine

$80.00
4 reviews Write a Review
SKU:
ALTUS-ACCURATE-MAG-300WIN

Accurate-Mag AICS-Pattern .300 Win Mag SSSF Magazine

This Accurate-Mag single-stack, single-feed (SSSF) magazine is sized for the .300 Winchester Magnum. The SSSF system keeps cartridges in a straight column and presents each one to the bolt from the center.

Winchester introduced the .300 Win Mag in 1963. It inherited its belted case from the .375 H&H, and few belted magnums have proven as versatile since.

This mid-century magnum has taken game on nearly every continent, earned a place in long-range competition and served as a military sniper cartridge, including in the U.S. Army’s M2010 sniper rifle. It’s little surprise the .300 Win Mag remains one of the most widely chambered magnums on the market.

Accurate-Mag’s SSSF magazine isn’t limited to .300 Win Mag, either. It also feeds .338 Win Mag and 7mm Rem Mag, and Accurate-Mag says a slight feed lip adjustment lets it handle .280 Ackley Improved, 26 Nosler, 28 Nosler and .375 Ruger.

Like the rest of Accurate-Mag’s SSSF line, this AICS-pattern magazine is built from heat-treated steel and finished with a Teflon coating. It comes in 3- and 5-round capacities, and you can choose from three cartridge lengths to match your ammunition

 

About Accurate-Mag

Accurate-Mag, a division of B.M.L. Tool and Manufacturing Corporation, is a veteran-owned small business and the world’s largest producer of precision bolt-action and sniper rifle components.

Since the company’s heritage lies in tool-and-die work, metal-formed magazines remain its specialty. Today, Accurate-Mag makes a wide range of magazine styles along with other parts for precision rifle systems.

Accurate-Mag products are 100% American-made, and the company serves as a key OEM supplier to rifle manufacturers across the industry, from the largest names to small custom shops.

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4 Reviews

  • 5
    Great mag

    Posted by Mark Churchill on Mar 19th 2025

    Great mag but it required a lot of fitting to accommodate my 7mm PRC so I wouldn’t recommend for this type of build. After saying that I was able to remove material and make this mag work without issues.

  • 5
    Altus Magazine

    Posted by Wayne Breedlove on Sep 3rd 2024

    Great fit ,rounds cycle perfectly in my Proof Research rifle

  • 5
    Great option for 7 PRC

    Posted by Brodey on Jul 2nd 2024

    Quality magazine which feeds great. I had unfortunately bought one of the .300RUM magazines based off an internet search and was having feeding problems. Altus recommended this as an alternative and it was the correct choice.

  • 5
    Mag

    Posted by Josh on Mar 16th 2022

    Works smoothly