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Long Range Hunting & Shooting
300 WM Long Range Load Help
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<blockquote data-quote="Bigdad" data-source="post: 1499908" data-attributes="member: 5072"><p>I have had the most success developing accurate loads shooting a ladder test at 400 yds+. Use your Berger 215 and H1000. Load and shoot 10 rounds increasing by .3 or .4 grains the 10th round should be at, or close to, max pressure. Hodgdon load data lists 78.0 grains max for a 208 gr A-Max, the Berger 215 max load should be just South of that. Watch for pressure signs and stop the test when they start to get excessive. I like to document the velocity of each round and look for consistent velocity increase or variations. Find your accuracy node/s using the ladder results and you can fine tune seating depth using that load.</p><p></p><p>My go-to load for my Savage 111 LRH 300 Win Mag is Hornady 212 gr ELDX over 76.6 grains of H1000, Rem 9 1/2 Mag Primers, Nosler brass.</p></blockquote><p></p>
[QUOTE="Bigdad, post: 1499908, member: 5072"] I have had the most success developing accurate loads shooting a ladder test at 400 yds+. Use your Berger 215 and H1000. Load and shoot 10 rounds increasing by .3 or .4 grains the 10th round should be at, or close to, max pressure. Hodgdon load data lists 78.0 grains max for a 208 gr A-Max, the Berger 215 max load should be just South of that. Watch for pressure signs and stop the test when they start to get excessive. I like to document the velocity of each round and look for consistent velocity increase or variations. Find your accuracy node/s using the ladder results and you can fine tune seating depth using that load. My go-to load for my Savage 111 LRH 300 Win Mag is Hornady 212 gr ELDX over 76.6 grains of H1000, Rem 9 1/2 Mag Primers, Nosler brass. [/QUOTE]
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