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Rifles, Reloading, Optics, Equipment
Reloading
7mm RUM reloading difficulties
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<blockquote data-quote="Wild_Bill" data-source="post: 83348" data-attributes="member: 4785"><p>Have you debures and chamfered the inside of the necks the factory's flare the necks and then crimp them so the cases do not need a chamfer. This can cause a dimple or fold in the neck when seating bullets as it can shave off fine shavings and stop the round feeding into the chamber it seems to me this could be a contributing factor. Try a bigger chamfer als are you crimping with the seeting die if you are you can be bulging the cases if the die is not exactly right if you are going to crimp get a Lee collet crimping die to crimp in a seperate opperation and back the seater off and try again.</p><p></p><p>Cheers Bill</p><p>australia</p></blockquote><p></p>
[QUOTE="Wild_Bill, post: 83348, member: 4785"] Have you debures and chamfered the inside of the necks the factory's flare the necks and then crimp them so the cases do not need a chamfer. This can cause a dimple or fold in the neck when seating bullets as it can shave off fine shavings and stop the round feeding into the chamber it seems to me this could be a contributing factor. Try a bigger chamfer als are you crimping with the seeting die if you are you can be bulging the cases if the die is not exactly right if you are going to crimp get a Lee collet crimping die to crimp in a seperate opperation and back the seater off and try again. Cheers Bill australia [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm RUM reloading difficulties
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