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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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<blockquote data-quote="Tidesloe" data-source="post: 748888" data-attributes="member: 47761"><p>Theres no primer in the pocket. My stuck case remover will be here today. My chamber is not factory. I dont the details of the reamer used, but I can find out. </p><p>If using a bushing die will I need to neck size down more than once? I guess maybe my chamber dimensions will determine that. I did talk to Redding about bushing dies, and they said that you cant bush down more than. .005 without having concentricity problems. If more sizing than that is needed bushing down more than once may be required.</p><p>I'm on a new Hart barrel, and like I said I dont know the details of the chamber. So far it appears to be fairly tight. I'll measure some neck diameters after firing and see exactly how much sizing is needed. That I have not done yet.</p><p>When I stuck the case I was experimenting more anything, and was just bushing down a fired case with a concentric nech to. .336 and then check to see if that gave me any concentricity problems.</p><p>Anyway, it sounds like experimenting will be further needed before I just start throwing ammo together. My first rounds were easy as the Nosler brass was already sized and concentric. Now I'll see what sizing operations are going to give me the best results.</p></blockquote><p></p>
[QUOTE="Tidesloe, post: 748888, member: 47761"] Theres no primer in the pocket. My stuck case remover will be here today. My chamber is not factory. I dont the details of the reamer used, but I can find out. If using a bushing die will I need to neck size down more than once? I guess maybe my chamber dimensions will determine that. I did talk to Redding about bushing dies, and they said that you cant bush down more than. .005 without having concentricity problems. If more sizing than that is needed bushing down more than once may be required. I'm on a new Hart barrel, and like I said I dont know the details of the chamber. So far it appears to be fairly tight. I'll measure some neck diameters after firing and see exactly how much sizing is needed. That I have not done yet. When I stuck the case I was experimenting more anything, and was just bushing down a fired case with a concentric nech to. .336 and then check to see if that gave me any concentricity problems. Anyway, it sounds like experimenting will be further needed before I just start throwing ammo together. My first rounds were easy as the Nosler brass was already sized and concentric. Now I'll see what sizing operations are going to give me the best results. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 RUM load development questions
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