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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1978 Ruger M77 Changing POI , Tumbling Rounds
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<blockquote data-quote="xsn10s" data-source="post: 2339564" data-attributes="member: 95344"><p>I've seen those accuracy fixes on the net and they do seem to help. But this tumbling issue seems to comes from the jackets and core separating. That's common from fast twist bores with certain types of rifling, or certain jacketed bullets. I've yet to hear of this happening with core locks. Two separate boxes of core locks so that seems to rule out the ammo. But I'd try some different ammo first. Then look at that bore. It might need some lapping.</p></blockquote><p></p>
[QUOTE="xsn10s, post: 2339564, member: 95344"] I've seen those accuracy fixes on the net and they do seem to help. But this tumbling issue seems to comes from the jackets and core separating. That's common from fast twist bores with certain types of rifling, or certain jacketed bullets. I've yet to hear of this happening with core locks. Two separate boxes of core locks so that seems to rule out the ammo. But I'd try some different ammo first. Then look at that bore. It might need some lapping. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
1978 Ruger M77 Changing POI , Tumbling Rounds
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