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Reloading - Looking After The Brass Cartridge Case By Matthew Cameron
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<blockquote data-quote="travelr47" data-source="post: 259961" data-attributes="member: 5339"><p>I have to respectfully disagree with davewilson's comment re weighing brass. For years I never</p><p>weighed my brass and just accepted the accuracy, or lack of, more the fault of the rifle than the</p><p>shooter. Along with 75 to 100+ fps variances of my reloads.</p><p></p><p>I've been weighing cases now about five years and there is difinitely a difference! It is not</p><p>uncommon for 8 (lowest so far) to twenty fps extreme velocity spreads while chronographing.</p><p>A couple days ago I was chronographing my load in 9,3x62, and produced 11 fps velocity</p><p>spread for six cartridges. I sort cases within 1.0 gr variance, and adjust my reloads accordingly.</p><p></p><p>Whether hunting or target shooting, reloading ammunition is all about consistency to me. The </p><p>more consistency generally produces greater accuracy. I want the most accuracy I can obtain</p><p>from my rifle, ammunition, and myself, that I'm capable of producing. I've also found it worthy</p><p>of weighing Lapua, Hornaday, Norma, and Nosler brass as there is often a five grain difference</p><p>within any lot. </p><p></p><p>A disregard to case volume capacity is a foolish proposition, and anyone suggesting otherwise</p><p>is courting a potential disaster.</p><p></p><p>To me it's the difference between "acceptable" gun writer accuracy (1 1/2" to 2"), and sub-MOA.</p><p>The longer the distance one shoots, the more accurate we need to be. YMMV.</p></blockquote><p></p>
[QUOTE="travelr47, post: 259961, member: 5339"] I have to respectfully disagree with davewilson's comment re weighing brass. For years I never weighed my brass and just accepted the accuracy, or lack of, more the fault of the rifle than the shooter. Along with 75 to 100+ fps variances of my reloads. I've been weighing cases now about five years and there is difinitely a difference! It is not uncommon for 8 (lowest so far) to twenty fps extreme velocity spreads while chronographing. A couple days ago I was chronographing my load in 9,3x62, and produced 11 fps velocity spread for six cartridges. I sort cases within 1.0 gr variance, and adjust my reloads accordingly. Whether hunting or target shooting, reloading ammunition is all about consistency to me. The more consistency generally produces greater accuracy. I want the most accuracy I can obtain from my rifle, ammunition, and myself, that I'm capable of producing. I've also found it worthy of weighing Lapua, Hornaday, Norma, and Nosler brass as there is often a five grain difference within any lot. A disregard to case volume capacity is a foolish proposition, and anyone suggesting otherwise is courting a potential disaster. To me it's the difference between "acceptable" gun writer accuracy (1 1/2" to 2"), and sub-MOA. The longer the distance one shoots, the more accurate we need to be. YMMV. [/QUOTE]
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Reloading - Looking After The Brass Cartridge Case By Matthew Cameron
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