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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30" 257 Weatherby - What can I expect.
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<blockquote data-quote="AZShooter" data-source="post: 1974800" data-attributes="member: 5219"><p>I can't read this and not say something. </p><p></p><p>Is your load data a typo? 85 grains of IMR 7828? You are 14 grains above what Nosler says is a max load! Their load data says 71 grains for velocity of 3480 fps with the 110 accubond. You are using a longer OAL which may alter things slightly but 14 grains more than suggested max? AND you are doing all this testing with used brass? </p><p></p><p>Based on Nosler saying their max load of 71 has the case 93% full, your load would be 111% full. Subtract .097" for bullet seated out to 3.3" , no wonder you have a full case. </p><p></p><p> Hodgdon doesn't mention a 110 gr bullet. They say 73 gr of IMR 7828 is max load with 100 gr bullet. </p><p></p><p>You said you want to use a faster powder. IMO don't. If anything you want to try comparable or slower powders. RL-25, Retumbo or RL-33 come to mind.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1974800, member: 5219"] I can't read this and not say something. Is your load data a typo? 85 grains of IMR 7828? You are 14 grains above what Nosler says is a max load! Their load data says 71 grains for velocity of 3480 fps with the 110 accubond. You are using a longer OAL which may alter things slightly but 14 grains more than suggested max? AND you are doing all this testing with used brass? Based on Nosler saying their max load of 71 has the case 93% full, your load would be 111% full. Subtract .097" for bullet seated out to 3.3" , no wonder you have a full case. Hodgdon doesn't mention a 110 gr bullet. They say 73 gr of IMR 7828 is max load with 100 gr bullet. You said you want to use a faster powder. IMO don't. If anything you want to try comparable or slower powders. RL-25, Retumbo or RL-33 come to mind. [/QUOTE]
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30" 257 Weatherby - What can I expect.
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