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ARC MAG 10-ROUND 7.62×51 (308 WIN)

(19 reviews) Write a Review


Purposefully designed for use with cylindrical actions such as the Mausingfield and the Remington 700 type short actions, the ARC mag offers a compact 10-round alternative to the Accuracy International CS type magazines.

  • 10-round ARC Mag is only 3/8” (10mm) longer the 10-round mag AI AW.
  • Does NOT require an “AW cut” receiver.
  • Constructed from corrosion resistant and high strength stainless steel.
  • Cross section is identical to that of the AI CS and the AI AW magazines designed for use in short actions.
  • Internal length is nominally 2.97 inches (75.4mm.)
  • An easy to remove floor plate makes disassembly and cleaning easy.

These things are really very slick, even the raw prototype works stupendously. FINALLY a true double stack rifle magazine that center feeds.


For reliability, it is very important to keep the magazine clean and to ensure that only clean cartridges are inserted into it.  Cleanliness will reduce the friction associated with the relative motion between cartridges and between the cartridges and the inner walls of the magazine resulting from the cartridges transitioning from the double-stack to center.


Made in the USA

Customer Reviews

  • Good fitment

    Posted by Scott on Jan 25th 2023

    Bought this magazine based on the recommendation from a rep at Anarchy Outdoors for the KRG Bravo Stock I bought for my River American Predator 6.5cm. The polymer MDT magazine I ordered with the stock had a very sloppy fit. I emailed Anarchy and one of the guys pulled the stock off the shelf and tried a few magazines out. He recommended the ARC. It fits very well and feeds rounds without issue. I recommend this mag for the KRG Bravo stock for the River American Predator.

  • ARC 10 end mag. (308)

    Posted by Craig on Jun 5th 2022

    Mag works well and is a lot shorter than other mags out there which helps when moving around barricades and obstacles while changing positions.
    Keep it clean or you’ll have feeding issues. If you start having feeding issues take it apart and wipe down the follower, spring and inside of the magazine and that should do it.
    I think the mag is well worth the $$ as long as you keep it clean.

  • Best magazine for RPR in 6.5 Creedmoor

    Posted by Michael Fendley on Sep 6th 2021

    Fits in the lower receiver well and ejects smoothly. Having the top round centered feeds more reliably than when I use other side by side arrangements. This let's me us loads longer than 2.795", which was the limitations with the PMag10 that came with the rifle originally.

  • ARC Mag

    Posted by JEFFERY NIX on May 23rd 2021

    Much better feed for my Ruger Precision Rifle,follower has an upward angle. Feed problem solved

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