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Rifles, Reloading, Optics, Equipment
Reloading
Newbie Load Development Question - How many rounds and how many grain increments?
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<blockquote data-quote="MagnumManiac" data-source="post: 1141227" data-attributes="member: 10755"><p>The simple rule of thumb is this, 222 size cases, use .5gr increments, 22-250 thru 30-06, use 1gr increments, the same for magnum cases. When you get to huge cases, like theRigby/Gibbs based cases, you use 2gr increments.</p><p>For initial load work up, pick a COAL within SAAMI specs, this should be safe and listed in your manual, and start with 3 rounds per charge weight and shoot groups at individual targets at 100 yards. Pick the tightest group, then try .3gr below and above that charge weight, if the groups stay the same, or improve, then this combo is a real good one.</p><p>I wouldn't worry or concern yourself with seating to the lands .010", .020" or .030" off at this stage, SAAMI spec, or near to it, will provide all the accuracy you need.</p><p>Be safe, and enjoy this sport we all love, the technical side of things will come in time and experience.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1141227, member: 10755"] The simple rule of thumb is this, 222 size cases, use .5gr increments, 22-250 thru 30-06, use 1gr increments, the same for magnum cases. When you get to huge cases, like theRigby/Gibbs based cases, you use 2gr increments. For initial load work up, pick a COAL within SAAMI specs, this should be safe and listed in your manual, and start with 3 rounds per charge weight and shoot groups at individual targets at 100 yards. Pick the tightest group, then try .3gr below and above that charge weight, if the groups stay the same, or improve, then this combo is a real good one. I wouldn't worry or concern yourself with seating to the lands .010", .020" or .030" off at this stage, SAAMI spec, or near to it, will provide all the accuracy you need. Be safe, and enjoy this sport we all love, the technical side of things will come in time and experience. Cheers. gun) [/QUOTE]
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Reloading
Newbie Load Development Question - How many rounds and how many grain increments?
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