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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tikka 7 SAUM project
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<blockquote data-quote="Raffy" data-source="post: 2635529" data-attributes="member: 118545"><p>I wouldnt touch the gun until you've done a seating depth test first. Do a seating depth test by picking your charge weight and load your charge weight in all the cases you want to test. Seat bullets over a good spread in either .003 or .005 increments and shoot for groups. My charge weight ladder test looked like yours until I did my seating depth test. I had to do a course seating depth test to find the ballpark I wanted to play in, then I did a fine test. I am going to do a super fine test in .001 increments around the obvious winners...for science... but I don't think it is truly necessary. I also have a different chanber than the chamber oroof uses, but it is a 7 saum shooting the 180 berger hybrid. I thunk you would also get better results if instead of measuring COAL you measured CBTO. Its more accurate for repeatable performance bullut to bullet. After trying all that, if you get nowhere, then I would think about bedding it.</p></blockquote><p></p>
[QUOTE="Raffy, post: 2635529, member: 118545"] I wouldnt touch the gun until you've done a seating depth test first. Do a seating depth test by picking your charge weight and load your charge weight in all the cases you want to test. Seat bullets over a good spread in either .003 or .005 increments and shoot for groups. My charge weight ladder test looked like yours until I did my seating depth test. I had to do a course seating depth test to find the ballpark I wanted to play in, then I did a fine test. I am going to do a super fine test in .001 increments around the obvious winners...for science... but I don't think it is truly necessary. I also have a different chanber than the chamber oroof uses, but it is a 7 saum shooting the 180 berger hybrid. I thunk you would also get better results if instead of measuring COAL you measured CBTO. Its more accurate for repeatable performance bullut to bullet. After trying all that, if you get nowhere, then I would think about bedding it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tikka 7 SAUM project
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