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Rifles, Reloading, Optics, Equipment
Reloading
New to forum and need help........257 Weatherby
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<blockquote data-quote="Ahab" data-source="post: 139543" data-attributes="member: 4832"><p>How old is it and where was it made? Can make a difference if the twist rate is too slow. My new MK V Ultralight likes 117gr Sierra GameKings with 72grs of R-25 going @ 3400fps or the same bullet with 73 grs of H1000 going 3300fps. This is with a 1:10 twist. Had an old German made with a 1:12 twist which would not stabilize any bullet over 100grs.</p></blockquote><p></p>
[QUOTE="Ahab, post: 139543, member: 4832"] How old is it and where was it made? Can make a difference if the twist rate is too slow. My new MK V Ultralight likes 117gr Sierra GameKings with 72grs of R-25 going @ 3400fps or the same bullet with 73 grs of H1000 going 3300fps. This is with a 1:10 twist. Had an old German made with a 1:12 twist which would not stabilize any bullet over 100grs. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New to forum and need help........257 Weatherby
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