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Rifles, Reloading, Optics, Equipment
Reloading
New to reloading, need a little help!
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<blockquote data-quote="BallisticsGuy" data-source="post: 1237777" data-attributes="member: 96226"><p>No reason to do any less. In fact I'd typically just start in the middle in your case (you can take or leave that). The simple matter is case volume. If your brass is commercial, at least in .223 and .270, the volume difference if any across brands will be likely very small to trivial. If your load data book gives a case fill %age that will help you identify if you need to back off for loads that fill the case very well but it's not a good method of determination, only of symptoms that are suggestive. </p><p></p><p>What I usually do is lump things into 2 categories: military/military-similar brass and commercial brass. Military brass (so brass meant as 5.56x45mm NATO or 7.62x51mm NATO) will be thicker and so has smaller capacity than commercial brass and I have to routinely drop 2 grains from any book recipe when using military brass. </p><p></p><p>For commercial cases this hasn't been a real problem. What I typically do is start in the middle and go up from there, what I would be cautious with is matching the bullet to the one in the book. Identical weight bullets of different models can have wildly different safe charge weight windows.</p><p></p><p>Winchester/Hornady/Nosler/Remington/Winchester brass hasn't been different enough for me to care about except for match loads which I do separate by case head stamp and number of firings. </p><p></p><p>P.S. Get another load data book or 3. It's good to compare. Also if you use Winchester/Hodgdon/IMR powders then their site has a slick load data app with oodles of recipes for oodles of bullets. They don't have to worry about marketing their bullets so they have data for gobs of manufacturers projectiles.</p></blockquote><p></p>
[QUOTE="BallisticsGuy, post: 1237777, member: 96226"] No reason to do any less. In fact I'd typically just start in the middle in your case (you can take or leave that). The simple matter is case volume. If your brass is commercial, at least in .223 and .270, the volume difference if any across brands will be likely very small to trivial. If your load data book gives a case fill %age that will help you identify if you need to back off for loads that fill the case very well but it's not a good method of determination, only of symptoms that are suggestive. What I usually do is lump things into 2 categories: military/military-similar brass and commercial brass. Military brass (so brass meant as 5.56x45mm NATO or 7.62x51mm NATO) will be thicker and so has smaller capacity than commercial brass and I have to routinely drop 2 grains from any book recipe when using military brass. For commercial cases this hasn't been a real problem. What I typically do is start in the middle and go up from there, what I would be cautious with is matching the bullet to the one in the book. Identical weight bullets of different models can have wildly different safe charge weight windows. Winchester/Hornady/Nosler/Remington/Winchester brass hasn't been different enough for me to care about except for match loads which I do separate by case head stamp and number of firings. P.S. Get another load data book or 3. It's good to compare. Also if you use Winchester/Hodgdon/IMR powders then their site has a slick load data app with oodles of recipes for oodles of bullets. They don't have to worry about marketing their bullets so they have data for gobs of manufacturers projectiles. [/QUOTE]
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Reloading
New to reloading, need a little help!
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