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Rifles, Reloading, Optics, Equipment
Reloading
most accurate 30/338 brass
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<blockquote data-quote="Bart B" data-source="post: 641898" data-attributes="member: 5302"><p>To start with, when this round was popular in long range prone matches, the best scores (and accuracy in tests) happened with either brand new unprepped cases or fired ones full length sized in a die set to move the shoulder back 2 thousandths and whose neck was lapped out to 2 thousandths under a loaded round's neck diameter. Nowadays, use a full length bushing die made by Redding or RCBS.</p><p></p><p>Then a second body die was used (standard FL die cut off at the top just below the body-shoulder junction and cut off and squared at the bottom just above the belt clearance) so the body could be sized down to new case diameters immediately in front of the belt. Otherwise, that ridge in front of the belt caused accuracy problems. Larry Willis now makes a collet die to do this.</p><p></p><p>Bullets were seated about 10 thousandths longer than land contact so they would be set back a bit when chambered. This aligned them better with the rifling when fired.</p><p></p><p>This is all one needs to do.</p></blockquote><p></p>
[QUOTE="Bart B, post: 641898, member: 5302"] To start with, when this round was popular in long range prone matches, the best scores (and accuracy in tests) happened with either brand new unprepped cases or fired ones full length sized in a die set to move the shoulder back 2 thousandths and whose neck was lapped out to 2 thousandths under a loaded round's neck diameter. Nowadays, use a full length bushing die made by Redding or RCBS. Then a second body die was used (standard FL die cut off at the top just below the body-shoulder junction and cut off and squared at the bottom just above the belt clearance) so the body could be sized down to new case diameters immediately in front of the belt. Otherwise, that ridge in front of the belt caused accuracy problems. Larry Willis now makes a collet die to do this. Bullets were seated about 10 thousandths longer than land contact so they would be set back a bit when chambered. This aligned them better with the rifling when fired. This is all one needs to do. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
most accurate 30/338 brass
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