Which magazine do I use for 300 RUM

We do not produce a specific 300RUM magazine that works right out of the box at this time. You can use our 338LM Magazines, and flatten, or mill out the front ribs.

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  • Yes there is but your company does not make one .I have a hs3 chassis for rem.700 chambered for 375hhmag accurate mag makes a 300rum and 375hhmag magazine it fits perfect no room for a longer coal maxxed out


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