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Rifles, Reloading, Optics, Equipment
Reloading
How Do I Figure a Starting Load?
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<blockquote data-quote="RDM416" data-source="post: 487114" data-attributes="member: 3745"><p>R.PH 380, </p><p></p><p>+1 to what the previous posts are telling you. Until you gain many years of experience you should never deviate from a loading manual or official data from a manufacturer website. Most powder and bullet companies have data available and will provide you with more if you call them. </p><p></p><p>There is a real reason for all the minimum and maximum loads listed in the manuals. For example your military brass is typically thicker (that is why you are seeing less volume) than civilian brass. Because there is less volume the pressures will be higher. It is possible to have a load that works just fine with civilian brass but would be dangerously over pressure in the military LC brass. That is the reason for the "start at the minimum load and work up to no more than max" warning. And remember "max" load is exactly that. Different rifles will behave differently as well. Some actions are stronger than others, etc. If you plan to use the same load in different rifles make sure you use them all during your work-up process, or just keep the load toward the low to middle of the scale. </p><p></p><p>Handloaders who are working with wildcats may not always have exact loading data available since they are not dealing with factory rounds. In that case they may have to rely on starting data from the one who developed the wildcat or from those who are using it. At some point some may develop the knowledge to work up loads from scratch..... based on powder burn rates, bullet weight, bearing surface.......... Until you have been loading for many many years, just stick to standard published data.</p></blockquote><p></p>
[QUOTE="RDM416, post: 487114, member: 3745"] R.PH 380, +1 to what the previous posts are telling you. Until you gain many years of experience you should never deviate from a loading manual or official data from a manufacturer website. Most powder and bullet companies have data available and will provide you with more if you call them. There is a real reason for all the minimum and maximum loads listed in the manuals. For example your military brass is typically thicker (that is why you are seeing less volume) than civilian brass. Because there is less volume the pressures will be higher. It is possible to have a load that works just fine with civilian brass but would be dangerously over pressure in the military LC brass. That is the reason for the "start at the minimum load and work up to no more than max" warning. And remember "max" load is exactly that. Different rifles will behave differently as well. Some actions are stronger than others, etc. If you plan to use the same load in different rifles make sure you use them all during your work-up process, or just keep the load toward the low to middle of the scale. Handloaders who are working with wildcats may not always have exact loading data available since they are not dealing with factory rounds. In that case they may have to rely on starting data from the one who developed the wildcat or from those who are using it. At some point some may develop the knowledge to work up loads from scratch..... based on powder burn rates, bullet weight, bearing surface.......... Until you have been loading for many many years, just stick to standard published data. [/QUOTE]
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How Do I Figure a Starting Load?
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