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New powder needed for .338 Lapua


srvet

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I shoot the .338 Norma Magnum…only 6% less case capacity than .338LM.

I use RS80 with 300gn Scenars. It’s an excellent powder, very accurate loads, easy to achieve consistently tiny SDs and has a nice recoil impulse.

It is double based but I’d say a relatively mild double base, around 3,800joules, so shouldn’t destroy throats as badly as the N5xx series of powders which do kane barrels. 

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