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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet selection help
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1913041" data-attributes="member: 48043"><p>only .2"?? kidding aside, bullet jump often has nearly zero effect on actual group size. It is of use tuning the load but usually a band aid for poorly designed bullets or combinations that really do not get along. I really never bother with seating depth tuning and instead pick a couple suitable powders and do a coarse run-up to see where they land; if I like one well enough I might fine tune a bit or just leave be. I'm more worried about a load shooting well in all conditions (cold, hot, wet, dry) than how far my bullet sticks out.</p><p>I have jumped 140 grain Sierra Pro Hunter bullets .5" from a 7rum and had .2 to.3" 100 yard accuracy. That rifle was a beast; it was the most predictable rifle in the field I've ever had. My close 2nd in field predictability is my Browning 300win, which has limited seating depth adjustment so I just run the 165 gr Hornady fb in it. IRRC it is only a 20-30 thou jump.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1913041, member: 48043"] only .2"?? kidding aside, bullet jump often has nearly zero effect on actual group size. It is of use tuning the load but usually a band aid for poorly designed bullets or combinations that really do not get along. I really never bother with seating depth tuning and instead pick a couple suitable powders and do a coarse run-up to see where they land; if I like one well enough I might fine tune a bit or just leave be. I'm more worried about a load shooting well in all conditions (cold, hot, wet, dry) than how far my bullet sticks out. I have jumped 140 grain Sierra Pro Hunter bullets .5" from a 7rum and had .2 to.3" 100 yard accuracy. That rifle was a beast; it was the most predictable rifle in the field I've ever had. My close 2nd in field predictability is my Browning 300win, which has limited seating depth adjustment so I just run the 165 gr Hornady fb in it. IRRC it is only a 20-30 thou jump. [/QUOTE]
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Bullet selection help
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