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Rifles, Reloading, Optics, Equipment
Reloading
Signs of pressure?
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<blockquote data-quote="Mike Matteson" data-source="post: 1847201" data-attributes="member: 101791"><p>I took a look at an older reloading manual on my desk. Sierra. 180 Grain SPBT it's calling out for 56 Gr of IMR 4350 developing 2800 fps. Using Winchester 8 1/2 primer. So that load should work. Again using copper bullets seem to run up the pressure. That with what experience I have with those type of bullets. I never had problems with Rem. Bolt faces unless we have gone over on powder or primers looking for max loads. I have experience that with any make of rifles. That is above what the reloading manuals call for that MAX LOAD. Once I creator a primer I am generally hit max. That's after finding max load. Then onto chronograph for velocity. If I am not happy with the velocity first I change also looking at groups. Still watching for pressure signs. Example: I an shooting 308 Norma Mag 165 gr Nosler SPBT @ 3300 fps and 338 Win Mag 200 Gr SPBT @ 3230 fps. Hot yes, but no firing pens primer creators. Both group under 1/2" @ 100 yds. No Chronograph no clue as to what you are doing down range. </p><p></p><p>SSS</p></blockquote><p></p>
[QUOTE="Mike Matteson, post: 1847201, member: 101791"] I took a look at an older reloading manual on my desk. Sierra. 180 Grain SPBT it's calling out for 56 Gr of IMR 4350 developing 2800 fps. Using Winchester 8 1/2 primer. So that load should work. Again using copper bullets seem to run up the pressure. That with what experience I have with those type of bullets. I never had problems with Rem. Bolt faces unless we have gone over on powder or primers looking for max loads. I have experience that with any make of rifles. That is above what the reloading manuals call for that MAX LOAD. Once I creator a primer I am generally hit max. That's after finding max load. Then onto chronograph for velocity. If I am not happy with the velocity first I change also looking at groups. Still watching for pressure signs. Example: I an shooting 308 Norma Mag 165 gr Nosler SPBT @ 3300 fps and 338 Win Mag 200 Gr SPBT @ 3230 fps. Hot yes, but no firing pens primer creators. Both group under 1/2" @ 100 yds. No Chronograph no clue as to what you are doing down range. SSS [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Signs of pressure?
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