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Rifles, Reloading, Optics, Equipment
Reloading
Help, confused IMR 4350 & 300 win mag
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<blockquote data-quote="Shortmagman" data-source="post: 690327" data-attributes="member: 10723"><p>I just looked at the Hodgdon web site and they give loads for two 150 grain bullets using IMR-4350, and I found it to be interesting. With Barnes 150 TTSX the max load is 75.0 grains of IMR-4350 for 3347 ft/sec.. With another 150 grain bullet the max load is listed as 74.0 for a velocity of 3254, so I think you are at or above the max load for a 150 grain bullet.</p><p></p><p>I have a Hodgdon manual that is close to 20 years old, the data listed for the 7mm Rem Mag, H1000 and 175 grains Hornady bullet shows the starting load above the max load that Hodgdon now lists for this combination. Why? </p><p></p><p>Is the new data more accurate? Did the burn rate for H1000 change in the last 15 years? </p><p></p><p>What does this prove? I think it proves that we must look at more that one source for loading information. Thing do change.</p></blockquote><p></p>
[QUOTE="Shortmagman, post: 690327, member: 10723"] I just looked at the Hodgdon web site and they give loads for two 150 grain bullets using IMR-4350, and I found it to be interesting. With Barnes 150 TTSX the max load is 75.0 grains of IMR-4350 for 3347 ft/sec.. With another 150 grain bullet the max load is listed as 74.0 for a velocity of 3254, so I think you are at or above the max load for a 150 grain bullet. I have a Hodgdon manual that is close to 20 years old, the data listed for the 7mm Rem Mag, H1000 and 175 grains Hornady bullet shows the starting load above the max load that Hodgdon now lists for this combination. Why? Is the new data more accurate? Did the burn rate for H1000 change in the last 15 years? What does this prove? I think it proves that we must look at more that one source for loading information. Thing do change. [/QUOTE]
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Reloading
Help, confused IMR 4350 & 300 win mag
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