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Hunting
Long Range Hunting & Shooting
Brass Prep for long range accuracy
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<blockquote data-quote="lancetkenyon" data-source="post: 1710341" data-attributes="member: 68875"><p>At 1000 yards? It very well could depending on the virgin brass dimensions. In cases like the 7RM, .300WM, etc., it seems like the headspacing is very short on virgin cases. Like .014"-.020" shorter than fired cases. I have seen 2.007" for new brass in a 7RM, and 2.121" fired using a .420" comp in a digital caliper. Bumping shoulders back .002" to 2.119" will increase case capacity over virgin.</p></blockquote><p></p>
[QUOTE="lancetkenyon, post: 1710341, member: 68875"] At 1000 yards? It very well could depending on the virgin brass dimensions. In cases like the 7RM, .300WM, etc., it seems like the headspacing is very short on virgin cases. Like .014"-.020" shorter than fired cases. I have seen 2.007" for new brass in a 7RM, and 2.121" fired using a .420" comp in a digital caliper. Bumping shoulders back .002" to 2.119" will increase case capacity over virgin. [/QUOTE]
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Brass Prep for long range accuracy
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