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Rifles, Reloading, Optics, Equipment
Reloading
Ladder testing at 1k- Detailed article and video
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<blockquote data-quote="Bart B" data-source="post: 1203034" data-attributes="member: 5302"><p>Ask folks about tools and their setup and use techniques producing best accuracy based on hundreds of 10-, 15- and 20-shot groups for a bullet, then use their ways and means. Way too much spread in group sizes across several 3- or 5-shot test groups for me. Never changed loads for different lots of powder, primer or bullet; barrels either, for that matter. Such ammo shot as accurate as the best of others. </p><p></p><p>I've never developed a load for any existing bullet used in competition; used what was typical for winning and setting records. Twice, I did develop a load for new bullets with new cases, but the component set and amounts were pretty closely guessed based on similar loads that have done very well.</p><p></p><p>All tests to verify were done with 15- to 25- shot groups shot from what's now F-class match positions. I think it's a waste of time, components and barrel life to hold onto a benched rifle resting atop stuff on the bench top held firm into my shoulder; way too many human variables that increase test group sizes and muzzle velocity spread for best accuracy.</p></blockquote><p></p>
[QUOTE="Bart B, post: 1203034, member: 5302"] Ask folks about tools and their setup and use techniques producing best accuracy based on hundreds of 10-, 15- and 20-shot groups for a bullet, then use their ways and means. Way too much spread in group sizes across several 3- or 5-shot test groups for me. Never changed loads for different lots of powder, primer or bullet; barrels either, for that matter. Such ammo shot as accurate as the best of others. I've never developed a load for any existing bullet used in competition; used what was typical for winning and setting records. Twice, I did develop a load for new bullets with new cases, but the component set and amounts were pretty closely guessed based on similar loads that have done very well. All tests to verify were done with 15- to 25- shot groups shot from what's now F-class match positions. I think it's a waste of time, components and barrel life to hold onto a benched rifle resting atop stuff on the bench top held firm into my shoulder; way too many human variables that increase test group sizes and muzzle velocity spread for best accuracy. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Ladder testing at 1k- Detailed article and video
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