Long Action 3.850” AICS 300 Win Mag Magazine

The AICS 300 Win Mag Magazine is built from steel, heat-treated and then coated with a special teflon for a better finish. The long action 3.850" 300 WM magazine is designed to work best with cartridges such as 300 WM, 338 Win Mag, 7MM Rem Mag, and similar.


Product Details 

AICS magazines have become the industry go-to for aftermarket DBM systems. Long action AICS magazines are SSSF meaning single-stack, single-feed and are offered in 4 different lengths. These specific magazines are 3.850 AICS magazines commonly called CIP length and are tailored to work best with popular calibers like 300 Winchester Magnum and 7mm Remington Magnum but with some slight feed lip tuning they can also work for 280 AI. 

AICS Magazine Compatibility

There are 4 different 300 WM AICS magazine lengths. You have 3.560” 300WM which is used for Tikka Long actions specifically, 3.715”, 3.775” and 3.850” length. So make sure you know which length of magwel your chassis or stock bottom metal is cut for. There are also different variants for these lengths. XLR Industries carries 4 different variants that are offered in the 3.850” length. You have 300 Win Mag, 30-06, RUM and 338LM and similar. No magazine is caliber specific but the name/variant is designed to work best with cartridges that are within that cartridge family or similar design. All of these are sold in both 3 and 5 round capacity magazines. If you are not sure which magazine will work best with your rifle or cartridge CLICK HERE for our magazine compatibility chart. If you still have questions feel free to give us a call at 970-241-1807. 

Product Specifications 

These single-stack, single-feed steel magazines are manufactured by Accurate Magazine a industry leader in magazine manufacturing.

  • 3 Round AICS 300 WM Magazine: 
    • Magazine Capacity: 3 Cartridges
    • Magazine Weight: 5 Ounces
    • Magazine Internal Length: 3.750”
  • 5 Round AICS 300 WM Magazine: 
    • Magazine Capacity: 5 Cartridges
    • Magazine Weight: 7.3 Ounces
    • Magazine Internal Length: 3.750”

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