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Rifles, Reloading, Optics, Equipment
Reloading
Powder Charge Advice
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<blockquote data-quote="dsculley" data-source="post: 1227911" data-attributes="member: 77514"><p>As stated earlier, there are many methods for working up a load. To me, case capacity is the determining factor in my load increments when working up a load. Rather than a set amount ( .2 gr, .3, gr, etc), my increments are based on the starting load. I will usually increase my load in 0.6% increments. For large case capacities such as my 7mm RM, a 0.6% increase would equate to 0.4 gr steps. In my 6.5x47, that would be 0.2 gr steps. If I know that I am starting low, then I will increase the earlier load 1.0% then cut back to 0.6% when the load is in the range that I really want to test. This does require some knowledge of expected pressures and results but I will have researched the load, run it through QuickLoad, and compared my results in QuickLoad to actual results from other sources. </p><p>No matter how you determine your increments, you ALWAYS want to work up from a safe beginning load. Sometimes we all want more speed, but I will gladly give up 100+ fps for accuracy. If I can put my round where it needs to go, the target, deer or elk won't know if the bullet left the barrel at 2800 or 2900 fps.</p><p></p><p>FWIW,</p></blockquote><p></p>
[QUOTE="dsculley, post: 1227911, member: 77514"] As stated earlier, there are many methods for working up a load. To me, case capacity is the determining factor in my load increments when working up a load. Rather than a set amount ( .2 gr, .3, gr, etc), my increments are based on the starting load. I will usually increase my load in 0.6% increments. For large case capacities such as my 7mm RM, a 0.6% increase would equate to 0.4 gr steps. In my 6.5x47, that would be 0.2 gr steps. If I know that I am starting low, then I will increase the earlier load 1.0% then cut back to 0.6% when the load is in the range that I really want to test. This does require some knowledge of expected pressures and results but I will have researched the load, run it through QuickLoad, and compared my results in QuickLoad to actual results from other sources. No matter how you determine your increments, you ALWAYS want to work up from a safe beginning load. Sometimes we all want more speed, but I will gladly give up 100+ fps for accuracy. If I can put my round where it needs to go, the target, deer or elk won't know if the bullet left the barrel at 2800 or 2900 fps. FWIW, [/QUOTE]
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