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Rifles, Reloading, Optics, Equipment
Reloading
300 rum load development
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<blockquote data-quote="86bowhunter" data-source="post: 1584352" data-attributes="member: 84122"><p>If you get ejector marks on everything including low pressure and factory rounds it's likely just a characteristic if the rifle itself. If you dont have a sticky bolt I wouldn't be concerned with it. Primer craters can show up on alot of magnum cartridges even without high pressure. Could also be because the hole for the firing pin to come thru the bolt face is slightly larger than necessary or the firing pin is protruding deeper into the primer than necessary causing the primer body to get thinner than normal. If it's not extreme and you're not blowing primers I wouldn't worry.</p><p></p><p>Find your high pressure drop a grain or so then play with your seating depth on the bullet since bergers are seating depth sensitive. Once you get a great group, if you really want to you can test for your high pressure threshold again to see if you gain or lost any ground and take your charge to a safe level. May need to tweak your seating depth a little after doing that but not always.</p></blockquote><p></p>
[QUOTE="86bowhunter, post: 1584352, member: 84122"] If you get ejector marks on everything including low pressure and factory rounds it's likely just a characteristic if the rifle itself. If you dont have a sticky bolt I wouldn't be concerned with it. Primer craters can show up on alot of magnum cartridges even without high pressure. Could also be because the hole for the firing pin to come thru the bolt face is slightly larger than necessary or the firing pin is protruding deeper into the primer than necessary causing the primer body to get thinner than normal. If it's not extreme and you're not blowing primers I wouldn't worry. Find your high pressure drop a grain or so then play with your seating depth on the bullet since bergers are seating depth sensitive. Once you get a great group, if you really want to you can test for your high pressure threshold again to see if you gain or lost any ground and take your charge to a safe level. May need to tweak your seating depth a little after doing that but not always. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 rum load development
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