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Rifles, Reloading, Optics, Equipment
Reloading
Standard Deviation & Extreme Spread - What does it take?
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<blockquote data-quote="J E Custom" data-source="post: 1332741" data-attributes="member: 2736"><p>Normally I shoot each round about 5 min. apart and take another rifle to shoot or check the zero while I am waiting. (When working up loads you cant get in a hurry)</p><p></p><p>I also clean between different loads and shoot a fouling shot to assure that each test is as consistent as the others in bore condition. This can also tell me how many rounds can be shot before fouling starts affecting accuracy. some bullets will go 7 to 10 shots before accuracy is effected and other bullets have a hard time making 5 shots without accuracy loss.</p><p></p><p>SDs and ES can change if the barrel fouls early because velocity will change.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1332741, member: 2736"] Normally I shoot each round about 5 min. apart and take another rifle to shoot or check the zero while I am waiting. (When working up loads you cant get in a hurry) I also clean between different loads and shoot a fouling shot to assure that each test is as consistent as the others in bore condition. This can also tell me how many rounds can be shot before fouling starts affecting accuracy. some bullets will go 7 to 10 shots before accuracy is effected and other bullets have a hard time making 5 shots without accuracy loss. SDs and ES can change if the barrel fouls early because velocity will change. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Standard Deviation & Extreme Spread - What does it take?
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