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Rifles, Reloading, Optics, Equipment
Reloading
Pressure signs
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<blockquote data-quote="JB Short" data-source="post: 617711" data-attributes="member: 29472"><p>I have been loading for several 270WSM rifles the past few years, but ran into something that baffles me a bit. I am loading for the first time 140 accubonds w/Retumbo powder, Win cases and 215M primers. I used 71grs as a max and backed off 8% or 65.2grs as a starting point. By the time I reached 67.8grs my primers were cratering slightly. I tried a load at 69 and the bolt became sticky. This rifle normally shoots at near max loads without an issue. Does this seem unusual to anyone? I don't have a chronograph so I have no idea about velocity. Is that max already? The bullets are not jammed into the rifling.</p></blockquote><p></p>
[QUOTE="JB Short, post: 617711, member: 29472"] I have been loading for several 270WSM rifles the past few years, but ran into something that baffles me a bit. I am loading for the first time 140 accubonds w/Retumbo powder, Win cases and 215M primers. I used 71grs as a max and backed off 8% or 65.2grs as a starting point. By the time I reached 67.8grs my primers were cratering slightly. I tried a load at 69 and the bolt became sticky. This rifle normally shoots at near max loads without an issue. Does this seem unusual to anyone? I don't have a chronograph so I have no idea about velocity. Is that max already? The bullets are not jammed into the rifling. [/QUOTE]
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