338 Lapua Magnum Loading Data


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alan98
December 4, 2007, 06:30 PM
Hello, I have a friend that just bought an Armalite Ar-30 in 338 Lapua Magnum. He was told by the dealers to load them with 88 grains of IMR 4831. We are unsure if this is too much..we looked on the Hodgdon site and it listed the max for this powder at 85.0 grains.

He is loading them in Lapua cases with 250 grain Sierra Match King bullet.

Just thought we post this to make sure the gun doesnt Explode upon firing :evil:

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Zak Smith
December 4, 2007, 09:16 PM
WARNING: these loads may exceed published maximums. Always work up in your rifle, etc.

My loads for 338LM are: Lapua brass, 215M primer.

250gr Lapua Scenar
90.gr H4831SC
96.0gr Retumbo

Also:
98.0gr N170
89.0gr N560
93.5gr H1000
94.0gr RL25

300gr SMK:
90.0gr RL25
91.0gr H1000
93.0gr Retumbo

All these are max or near max in my AI.

-z

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