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Rifles, Reloading, Optics, Equipment
Reloading
300 Win Mag Trim length
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<blockquote data-quote="MagnumManiac" data-source="post: 1143068" data-attributes="member: 10755"><p>Do you read your loading manual?</p><p>All brass when new is 2.610", this is the trim to length, 2.620" is the MAX length for the case, or in other words, do not exceed length.</p><p>Trimming to the trim to length is not necessary after every sizing, but, if you are crimping, then a uniform length less than 2.620" is mandatory.</p><p>As to the short neck, this cartridges doesn't notice it's so called problem, benchrest type groups are common, not flukes.</p><p>Accuracy will not be affected by trimming short, but having different lengths or crooked mouths can, depending on how tight the tolerances are in your rifle, loose chambers rarely see a difference, but tight ones can.</p><p></p><p>lightbulb</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1143068, member: 10755"] Do you read your loading manual? All brass when new is 2.610", this is the trim to length, 2.620" is the MAX length for the case, or in other words, do not exceed length. Trimming to the trim to length is not necessary after every sizing, but, if you are crimping, then a uniform length less than 2.620" is mandatory. As to the short neck, this cartridges doesn't notice it's so called problem, benchrest type groups are common, not flukes. Accuracy will not be affected by trimming short, but having different lengths or crooked mouths can, depending on how tight the tolerances are in your rifle, loose chambers rarely see a difference, but tight ones can. lightbulb [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 Win Mag Trim length
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