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Rifles, Reloading, Optics, Equipment
Reloading
How dependable are 223 loads in Hornady's 7th edition?
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<blockquote data-quote="J E Custom" data-source="post: 735975" data-attributes="member: 2736"><p>Years ago all load data was tested in a 28'' test barrel and was fairly accurate.</p><p></p><p>Now it is calculated on computer programs and input data varies a great deal.</p><p></p><p>Most loading manuals are very conservative and if you start at minimum loads you will be safe</p><p>and can start increasing the powder charge in 1/2 grain increments until you start showing signs</p><p>of pressure.</p><p></p><p>Different chambers and barrels can effect the velocity so they stay under the max loads.</p><p></p><p>Also some manufactures enhance the data to make there product look better. A chronograph</p><p>will tell you what you highest velocity is at the max pressure. (Real world data).</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 735975, member: 2736"] Years ago all load data was tested in a 28'' test barrel and was fairly accurate. Now it is calculated on computer programs and input data varies a great deal. Most loading manuals are very conservative and if you start at minimum loads you will be safe and can start increasing the powder charge in 1/2 grain increments until you start showing signs of pressure. Different chambers and barrels can effect the velocity so they stay under the max loads. Also some manufactures enhance the data to make there product look better. A chronograph will tell you what you highest velocity is at the max pressure. (Real world data). J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How dependable are 223 loads in Hornady's 7th edition?
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