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Thread: .338 Winchester Mag vs .300 Win Mag vs .338 Laupa

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    libertyman777's Avatar
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    .338 Winchester Mag vs .300 Win Mag vs .338 Laupa

    I noticed recently that Savage has chambered a rifle in .338 Win Mag. I was curious. Seems that it's a bit anemic compared to the .338 Lapua but roughly equals the .300 in velocity with 220 grain (225 grain in the .338) at around 2850 fps. Seems to me that with the velocity being equal

    With a case capacity of roughly 75% of the Lapua Magnum, the .338 Win Mag performs at 89% of the Lapua. It also has only 92% of the case capacity of the .300 Win Mag. (H2O) I'm wondering if it is worth looking at for a long range rifle. Does anyone know how this caliber is on barrel life compared to the .300 Win Mag and the Lapua?

    .338 Winchester Magnum - Wikipedia, the free encyclopedia

    .338 Lapua Magnum - Wikipedia, the free encyclopedia

    .300 Winchester Magnum - Wikipedia, the free encyclopedia
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    338 WM is not going to shoot the ultra high BC 300gr bullets with enough velocity to be very effective at ELR like the Lapua. If you are only interested in shooting the light 220gr to 230gr 338 bullets then you would be better off shooting the much higher BC 230gr .308 billets out of the 300Wm.

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    meyersa88's Avatar
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    Barrel life on the 338 win will be longer than the 300 win due to the larger bore. Unless I don't know what I'm talking about which there is a decent chance of that, but that's my guess.

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    SEREK82's Avatar
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    If you really don't mind buying barrels and powder 338 edge is very nice.

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    Quote Originally Posted by SEREK82 View Post
    If you really don't mind buying barrels and powder 338 edge is very nice.
    +1. The edge is a pretty awesome round