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Rifles, Reloading, Optics, Equipment
Reloading
7saum
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<blockquote data-quote="Crowe284" data-source="post: 1320827" data-attributes="member: 97064"><p><strong>Re: Anybody shooting 195 EOL in 7SAUM w/ H-1000?</strong></p><p></p><p></p><p></p><p>The quick reference sheet would have me believe differently about the 180 and 175 not working together, say if you throated for the 180.</p><p></p><p>180 VLD</p><p>Case base to neck shoulder junction =1.724</p><p>Bearing surface = .491</p><p>Nose length = .772</p><p>= 2.987</p><p>2.987-.772=2.215 base to ogive</p><p></p><p>175 Elite </p><p>Case base to neck shoulder junction =1.724</p><p>Bearing surface = .478</p><p>Nose length = .801</p><p>= 3.003</p><p>3.003-.801=2.202 base to ogive </p><p></p><p>The 180 is only .013 longer from base to ogive when seated at neck shoulder junction of case in example above...which would basically build in a .013 jump for the 175. The 175 being of hybrid design is going to be much less sensitive to seating depth and should like a jump. The 195 in the other hand is in a league of its own as far as length goes. </p><p></p><p></p><p>195 EOL</p><p>Case base to neck shoulder junction =1.724</p><p>Bearing surface = .524</p><p>Nose length = .874</p><p>= 3.122 with bearing surface at neck/shoulder junction </p><p>3.122-.874= 2.248 to ogive </p><p></p><p>3.070 seems really long to me for the OAL on the 180. That's puts the bearing surface .083 above neck shoulder junction. The farthest I have been advised to seat a dummy for throating of any bullet was .025 above neck shoulder junction. George at GA even recommended sending in the dummies with the bullet bearing surface just at the neck shoulder junction. Berger has told me .010-.015 above neck shoulder junction....I have been wandering about this and what is best. To seat at neck shoulder junction assuming that dummy will put me at the lands or building in some jump so I don't bury bullet in case when it comes time to probably have to jump bullet. Some VLDS I've shot have liked as much as .080 jump. I certainly don't want to eat up a bunch of case and loose the benefit of building the saum on a long action. </p><p></p><p>Can you elaborate a little more on your 3.070 OAL for the 180 for me and let me know if I have missed something with the numbers above. It sure looks to me like the 175 and 180 are much closer than the 195 and anything else. </p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="Crowe284, post: 1320827, member: 97064"] [b]Re: Anybody shooting 195 EOL in 7SAUM w/ H-1000?[/b] The quick reference sheet would have me believe differently about the 180 and 175 not working together, say if you throated for the 180. 180 VLD Case base to neck shoulder junction =1.724 Bearing surface = .491 Nose length = .772 = 2.987 2.987-.772=2.215 base to ogive 175 Elite Case base to neck shoulder junction =1.724 Bearing surface = .478 Nose length = .801 = 3.003 3.003-.801=2.202 base to ogive The 180 is only .013 longer from base to ogive when seated at neck shoulder junction of case in example above...which would basically build in a .013 jump for the 175. The 175 being of hybrid design is going to be much less sensitive to seating depth and should like a jump. The 195 in the other hand is in a league of its own as far as length goes. 195 EOL Case base to neck shoulder junction =1.724 Bearing surface = .524 Nose length = .874 = 3.122 with bearing surface at neck/shoulder junction 3.122-.874= 2.248 to ogive 3.070 seems really long to me for the OAL on the 180. That's puts the bearing surface .083 above neck shoulder junction. The farthest I have been advised to seat a dummy for throating of any bullet was .025 above neck shoulder junction. George at GA even recommended sending in the dummies with the bullet bearing surface just at the neck shoulder junction. Berger has told me .010-.015 above neck shoulder junction....I have been wandering about this and what is best. To seat at neck shoulder junction assuming that dummy will put me at the lands or building in some jump so I don't bury bullet in case when it comes time to probably have to jump bullet. Some VLDS I've shot have liked as much as .080 jump. I certainly don't want to eat up a bunch of case and loose the benefit of building the saum on a long action. Can you elaborate a little more on your 3.070 OAL for the 180 for me and let me know if I have missed something with the numbers above. It sure looks to me like the 175 and 180 are much closer than the 195 and anything else. Thanks [/QUOTE]
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