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Thread: .300 RUM Internal mag questions...

  1. #1
    Basic Member jrhammo08sxt's Avatar
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    .300 RUM Internal mag questions...


    Building a .300 RUM based on a stainless large shank action. What I am wondering is will the .300 Remington Ultra Mag round work fine in a .338 Lapua AI mag? If so, I am going to go with DBM from Pacific Tool and Gauge. If not, guess I will have to stick to internal. My question then would be is the internal box longer than any other Savage 110 based long action? My semi-educated guess would be it is the same size...
    Any info on this subject is greatly appreciated!!
    One Shot - One Kill. Semper Fi.

  2. #2
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    RUM mag boxes are .220" longer than a standard magnum box. They have been discontinued for some time.
    "As long as there's lead in the air....there's still hope.."

  3. #3
    Basic Member jrhammo08sxt's Avatar
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    I found some aftermarket options for detachable mags at accurate mag.com...
    One Shot - One Kill. Semper Fi.

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