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Rifles, Reloading, Optics, Equipment
Reloading
Dents/Crimp on shoulder cause?
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<blockquote data-quote="Barstooler" data-source="post: 1819163" data-attributes="member: 4481"><p>Been loading 6.5-06 AI for years. May I suggest:</p><p></p><p>25-06 brass is ok but don't FL resize. Just use expander ball in resizing die to neck up to 6.5 then neck up using expander ball again to 7mm. You now have a fat neck.</p><p>(The reason to not go from 25-06 to a 7mm neck is you will ruin some cases by doing so. Therefore go to 6.5 then 7mm. Or you can use 270 Winchester cases but they will need to be trimmed. Or if you neck down 30-06 cases you may need to ream the inside or turn the outside of the final necks)</p><p>So after you have that oversized / over caliber neck, go back to 6.5-06 die and carefully adjust the die down to resize the neck to create a false shoulder. Adjust die down repeatedly trying to close the bolt on the case until you can get the bolt to close on the case in the rifle. That is called a crush fit.</p><p> Seems like a lot is *** pain, but if you do several hundred cases at a time it is repeatable and fast. </p><p>So you now have a case that is head spaced in that rifle and you can fire form with either a normal 6.5-06 load or cream of wheat. </p><p>If you want to avoid barrel wear use COW</p><p></p><p>Do that by:</p><p>Priming the case </p><p>Add 14 grains of Unique powder</p><p>Top off with COW to the shoulder/neck junction</p><p>Put in a wad of toilet paper or cotton to hold everything in place</p><p>Then chamber and fire the round</p><p></p><p>You will have perfectly fire formed cases with no additional barrel wear</p></blockquote><p></p>
[QUOTE="Barstooler, post: 1819163, member: 4481"] Been loading 6.5-06 AI for years. May I suggest: 25-06 brass is ok but don’t FL resize. Just use expander ball in resizing die to neck up to 6.5 then neck up using expander ball again to 7mm. You now have a fat neck. (The reason to not go from 25-06 to a 7mm neck is you will ruin some cases by doing so. Therefore go to 6.5 then 7mm. Or you can use 270 Winchester cases but they will need to be trimmed. Or if you neck down 30-06 cases you may need to ream the inside or turn the outside of the final necks) So after you have that oversized / over caliber neck, go back to 6.5-06 die and carefully adjust the die down to resize the neck to create a false shoulder. Adjust die down repeatedly trying to close the bolt on the case until you can get the bolt to close on the case in the rifle. That is called a crush fit. Seems like a lot is *** pain, but if you do several hundred cases at a time it is repeatable and fast. So you now have a case that is head spaced in that rifle and you can fire form with either a normal 6.5-06 load or cream of wheat. If you want to avoid barrel wear use COW Do that by: Priming the case Add 14 grains of Unique powder Top off with COW to the shoulder/neck junction Put in a wad of toilet paper or cotton to hold everything in place Then chamber and fire the round You will have perfectly fire formed cases with no additional barrel wear [/QUOTE]
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Reloading
Dents/Crimp on shoulder cause?
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