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Rifles, Reloading, Optics, Equipment
Reloading
Video On Bump sizing cases.
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<blockquote data-quote="JTB" data-source="post: 1864396" data-attributes="member: 97196"><p>I have tried every sizing method to assure consistent accuracy and could never make it happen neck sizing. FL with a 0.002 bump is the ticket for me. Consistent neck tension with the correct bushing is a must; I prefer lighter neck tension so that the neck does not mar the jacket when seating. Neck turning is also a must-do step for me. I also measure each case to assure it is a 0.002 bump and sometimes have to give one another partial cycle. I could never to assure each neck-sized case would close with the exact same resistance and if one had more resistance I would get occasional fliers. It is difficult to shoot 1/4 MOA and if shooting outdoors, conditions will make it almost impossible unless I settle on the best of my many 3 shot groups. 5 or more shot groups will give a better indication of where group size is. I attached a picture of a 4 shot group I shot a couple of weeks ago on a calm morning at 300 yards but couldn't bring myself to take the 5th shot. If you have figured out a process the give consistent results stick with it.[ATTACH=full]184233[/ATTACH]</p></blockquote><p></p>
[QUOTE="JTB, post: 1864396, member: 97196"] I have tried every sizing method to assure consistent accuracy and could never make it happen neck sizing. FL with a 0.002 bump is the ticket for me. Consistent neck tension with the correct bushing is a must; I prefer lighter neck tension so that the neck does not mar the jacket when seating. Neck turning is also a must-do step for me. I also measure each case to assure it is a 0.002 bump and sometimes have to give one another partial cycle. I could never to assure each neck-sized case would close with the exact same resistance and if one had more resistance I would get occasional fliers. It is difficult to shoot 1/4 MOA and if shooting outdoors, conditions will make it almost impossible unless I settle on the best of my many 3 shot groups. 5 or more shot groups will give a better indication of where group size is. I attached a picture of a 4 shot group I shot a couple of weeks ago on a calm morning at 300 yards but couldn’t bring myself to take the 5th shot. If you have figured out a process the give consistent results stick with it.[ATTACH=full]184233[/ATTACH] [/QUOTE]
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Video On Bump sizing cases.
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