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Rifles, Reloading, Optics, Equipment
Reloading
7mm RUM case life
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<blockquote data-quote="dbhostler" data-source="post: 87269" data-attributes="member: 799"><p>The strange dent is due to gas blowing by the neck before expanding enough to seal. You need to keep the bullet in the neck longer to allow the pressure to build. This can be done by seating the bullet deeper into the case, reducing the neck diameter another couple a thou. or adding more powder. I had the same problem with my 7 RUM Sendero when I first started to reload for it.</p><p></p><p>The case seperation problem could be due to excessive headspace. May be a good idea to have it checked.</p><p></p><p>db</p></blockquote><p></p>
[QUOTE="dbhostler, post: 87269, member: 799"] The strange dent is due to gas blowing by the neck before expanding enough to seal. You need to keep the bullet in the neck longer to allow the pressure to build. This can be done by seating the bullet deeper into the case, reducing the neck diameter another couple a thou. or adding more powder. I had the same problem with my 7 RUM Sendero when I first started to reload for it. The case seperation problem could be due to excessive headspace. May be a good idea to have it checked. db [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm RUM case life
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