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Rifles, Reloading, Optics, Equipment
Reloading
Magnum primer suggestions for 300 win
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<blockquote data-quote="Reloader222" data-source="post: 1891436" data-attributes="member: 25295"><p>Then preperation is 100% and that is not the cause for the extreme spread. I realy think a change to Fed215Match primers will do the thing for you. Federal is known for lower extreme spreads. But remember you need to fine-turn the load to the primer - It is like turning a carburator on an old car. With large magnum size cases it is also preferable to get a powder that would fill the case nearer to the case neck. This will also contribute towards more consistent burning of the powder. Regarding neck turning - I also did it long ago, but that did not improve my groupings/ES. My guns are all factory rifles. If you shoot heavy competition then it might be beneficial. It was finding the right combination that helped me the most.</p></blockquote><p></p>
[QUOTE="Reloader222, post: 1891436, member: 25295"] Then preperation is 100% and that is not the cause for the extreme spread. I realy think a change to Fed215Match primers will do the thing for you. Federal is known for lower extreme spreads. But remember you need to fine-turn the load to the primer - It is like turning a carburator on an old car. With large magnum size cases it is also preferable to get a powder that would fill the case nearer to the case neck. This will also contribute towards more consistent burning of the powder. Regarding neck turning - I also did it long ago, but that did not improve my groupings/ES. My guns are all factory rifles. If you shoot heavy competition then it might be beneficial. It was finding the right combination that helped me the most. [/QUOTE]
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Magnum primer suggestions for 300 win
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