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Rifles, Reloading, Optics, Equipment
Reloading
Trimming tips?
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<blockquote data-quote="sedancowboy" data-source="post: 2315881" data-attributes="member: 85874"><p>I trim new brass to square it up which often means it is a little short of Minimum.</p><p>I then check it every time I reload it and only trim if it needs to be trimmed. </p><p>Trimming after each firing has not proven to me to have any benefit to accuracy. I have a Sinclair chamber length gauge and measure each rifle and that is what I use for Max length.</p><p>Modern design cartridge cases with 30-40 degree shoulders do not grow as fast as old style 20 degree cases. </p><p>One trick is to chamfer the inside of the case and only knock the burr off the outside. Do not put a heavy chamfer on the outside of your case neck. That and don't trim any more than necessary and you will have less problems with a carbon ring.</p></blockquote><p></p>
[QUOTE="sedancowboy, post: 2315881, member: 85874"] I trim new brass to square it up which often means it is a little short of Minimum. I then check it every time I reload it and only trim if it needs to be trimmed. Trimming after each firing has not proven to me to have any benefit to accuracy. I have a Sinclair chamber length gauge and measure each rifle and that is what I use for Max length. Modern design cartridge cases with 30-40 degree shoulders do not grow as fast as old style 20 degree cases. One trick is to chamfer the inside of the case and only knock the burr off the outside. Do not put a heavy chamfer on the outside of your case neck. That and don't trim any more than necessary and you will have less problems with a carbon ring. [/QUOTE]
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Trimming tips?
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