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Rifles, Reloading, Optics, Equipment
Reloading
Best way to sort brass?
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<blockquote data-quote="Bart B" data-source="post: 826511" data-attributes="member: 5302"><p>Is this your question? I've shot sub 1/2 MOA (under 5 inches or 12.7 cm) 15-shot test groups at 1000 yards with two different 30 caliber magnum loads using cases sorted to a 1% spread in weight about 230 grains.</p><p></p><p>And 20-shot group at 800 yards under 4 inches (10.2 cm) from a .308 Win. with cases sorted to a 1% spread about 157 grains.</p><p></p><p>The most accurate (smallest) string of 10-shot groups ever made (as far as I know) were done with cases sorted by weight to a 1 grain spread of .308 Win. cases averaging 150 grains. Several groups were all under 1.5 (3.81 cm) inches and the smallest down to about 0.7 inch (1.78 cm). And a 40-shot group measured 1.92 inch (4.88 cm).</p><p></p><p>This is as good as anybody has shot anything with anything sorted anyway for the numbers of shots fired. I make no claim that it's scientific, but it's pretty close to being so.</p><p></p><p>Personally, I think it depends a lot on how one tests the results of different case sorting criteria. Some folks will get good results with any method.</p></blockquote><p></p>
[QUOTE="Bart B, post: 826511, member: 5302"] Is this your question? I've shot sub 1/2 MOA (under 5 inches or 12.7 cm) 15-shot test groups at 1000 yards with two different 30 caliber magnum loads using cases sorted to a 1% spread in weight about 230 grains. And 20-shot group at 800 yards under 4 inches (10.2 cm) from a .308 Win. with cases sorted to a 1% spread about 157 grains. The most accurate (smallest) string of 10-shot groups ever made (as far as I know) were done with cases sorted by weight to a 1 grain spread of .308 Win. cases averaging 150 grains. Several groups were all under 1.5 (3.81 cm) inches and the smallest down to about 0.7 inch (1.78 cm). And a 40-shot group measured 1.92 inch (4.88 cm). This is as good as anybody has shot anything with anything sorted anyway for the numbers of shots fired. I make no claim that it's scientific, but it's pretty close to being so. Personally, I think it depends a lot on how one tests the results of different case sorting criteria. Some folks will get good results with any method. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Best way to sort brass?
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