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Rifles, Reloading, Optics, Equipment
Reloading
Measuring OAL in precision ammo...
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<blockquote data-quote="woods" data-source="post: 779612" data-attributes="member: 6042"><p>True story. Noticed years ago when seating sets of bullets with different powder charges. When the powder started getting crunched, the OAL would lengthen, even with no change to the seating die. Also a smaller ID will lengthen OAL as I'm sure variance in brass elasticity from annealing will change seating depths unless adjusted for.</p><p></p><p>Comparators are typically (at least all I have measured) .011" below caliber</p><p></p><p>Here a .308 comparator</p><p></p><p><img src="http://img.photobucket.com/albums/v663/bwestfall/BULLETS/DSCN1908.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>and the seating stem (taken from unused RCBS FL seater and measured as close as I could to the first surface to hit bullet) is ~.260"</p><p></p><p><img src="http://img.photobucket.com/albums/v663/bwestfall/BULLETS/DSCN1909.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="woods, post: 779612, member: 6042"] True story. Noticed years ago when seating sets of bullets with different powder charges. When the powder started getting crunched, the OAL would lengthen, even with no change to the seating die. Also a smaller ID will lengthen OAL as I'm sure variance in brass elasticity from annealing will change seating depths unless adjusted for. Comparators are typically (at least all I have measured) .011" below caliber Here a .308 comparator [IMG]http://img.photobucket.com/albums/v663/bwestfall/BULLETS/DSCN1908.jpg[/IMG] and the seating stem (taken from unused RCBS FL seater and measured as close as I could to the first surface to hit bullet) is ~.260" [IMG]http://img.photobucket.com/albums/v663/bwestfall/BULLETS/DSCN1909.jpg[/IMG] [/QUOTE]
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Reloading
Measuring OAL in precision ammo...
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