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Rifles, Reloading, Optics, Equipment
Reloading
7mag Magic!
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<blockquote data-quote="RockyMtnMT" data-source="post: 2789959" data-attributes="member: 7999"><p>No date. All I can say is first round of testing is done. Basically they are testing the range of 7mm Hammer Hunters. This should provide data correlating number of drive bands and start pressure as well as pressure curve. Once done GRT should be a good predictive tool for loading Hammers.</p><p></p><p>The good news is Hammers will show a bit less pressure than conventional lead core bullets of similar weight. So using published start loads for similar weight conventional bullets will be nice and mild to work up from. Between Nosler and Hodgdon data we can usually find a start load for a given Hammer Bullet and a suitable powder. Sometimes we will reference Alliant data or others to find a start point for a particular cartridge and powder choice.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 2789959, member: 7999"] No date. All I can say is first round of testing is done. Basically they are testing the range of 7mm Hammer Hunters. This should provide data correlating number of drive bands and start pressure as well as pressure curve. Once done GRT should be a good predictive tool for loading Hammers. The good news is Hammers will show a bit less pressure than conventional lead core bullets of similar weight. So using published start loads for similar weight conventional bullets will be nice and mild to work up from. Between Nosler and Hodgdon data we can usually find a start load for a given Hammer Bullet and a suitable powder. Sometimes we will reference Alliant data or others to find a start point for a particular cartridge and powder choice. [/QUOTE]
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