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Rifles, Reloading, Optics, Equipment
Reloading
30-338 reloading help
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<blockquote data-quote="jehan12413" data-source="post: 1029898" data-attributes="member: 86917"><p>Thanks everyone for the help.</p><p>Your statement about 71 grains of H4831 and 190 gr SMK shooting over 3000 ft/sec is one thing that concerns me. I have read many similar statements and my velocities aren't even close to 3000. Also I said I'm using 4831, I meant 4831 SC but may switch to 4831 to see what happens. After reading all the posts barrel break in may have accounted for some of my earlier problems but I should be past that now. Also I was initially turning the necks before necking down but stopped after looking at the difference between fired cases and resized ones. The gunsmith told me that a little tight is ok and helps accuracy. Case length is also ok so I'm running out of ideas. Just picked up some Norma unprimed brass to try ( have been using rem) but I noticed the shoulders are set back quite a bit so I guess I'll have to fire once first.</p><p>Last of all I read several posts stating that many top bench rest competitors use IMR 4350 with standard primers for the best results and about 3000 fps so I would like to try that once I get this figured out. FYI the rifle is shooting 1/8 MOA so the accuracy is there.</p></blockquote><p></p>
[QUOTE="jehan12413, post: 1029898, member: 86917"] Thanks everyone for the help. Your statement about 71 grains of H4831 and 190 gr SMK shooting over 3000 ft/sec is one thing that concerns me. I have read many similar statements and my velocities aren't even close to 3000. Also I said I'm using 4831, I meant 4831 SC but may switch to 4831 to see what happens. After reading all the posts barrel break in may have accounted for some of my earlier problems but I should be past that now. Also I was initially turning the necks before necking down but stopped after looking at the difference between fired cases and resized ones. The gunsmith told me that a little tight is ok and helps accuracy. Case length is also ok so I'm running out of ideas. Just picked up some Norma unprimed brass to try ( have been using rem) but I noticed the shoulders are set back quite a bit so I guess I'll have to fire once first. Last of all I read several posts stating that many top bench rest competitors use IMR 4350 with standard primers for the best results and about 3000 fps so I would like to try that once I get this figured out. FYI the rifle is shooting 1/8 MOA so the accuracy is there. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
30-338 reloading help
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