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Rifles, Reloading, Optics, Equipment
Reloading
Purpose of bullet jump
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1794087" data-attributes="member: 48043"><p>Mikecr is entirely correct in his surmising that seating depth tuning is really effecting the interface between the barrel and bullet. How else would you be able to cheat at times and set the bullet into the lands for better accuracy. The nose slump, obduration, and amount of skidding allowed as the bullet couples with the rifling all change with seating depth changes.</p><p> All of this is much more pronounced with shooting cast bullets in rifles. I was lucky to find a cast bullet load for my 375h@h that is just over moa the first run up. I have yet to find an acceptable load with a cast pill in my 405 Winchester. I will likely end up using a card or poly wad under the bullet base to protect it. 2"+ groups at 25 yards aren't acceptable even for a buckhorn sights lever rifle...</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1794087, member: 48043"] Mikecr is entirely correct in his surmising that seating depth tuning is really effecting the interface between the barrel and bullet. How else would you be able to cheat at times and set the bullet into the lands for better accuracy. The nose slump, obduration, and amount of skidding allowed as the bullet couples with the rifling all change with seating depth changes. All of this is much more pronounced with shooting cast bullets in rifles. I was lucky to find a cast bullet load for my 375h@h that is just over moa the first run up. I have yet to find an acceptable load with a cast pill in my 405 Winchester. I will likely end up using a card or poly wad under the bullet base to protect it. 2"+ groups at 25 yards aren't acceptable even for a buckhorn sights lever rifle... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Purpose of bullet jump
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