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Rifles, Reloading, Optics, Equipment
Reloading
Standard Deviation & Extreme Spread - What does it take?
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<blockquote data-quote="cycloneshooter" data-source="post: 1332715" data-attributes="member: 62578"><p>Thanks everybody for all the great suggestions and comments! The support is overwhelming!</p><p></p><p>First question: <u>Is a .002 neck tension appropriate for a hunting rifle?</u></p><p>I have always used standard FL dies with expander balls, so I have never done anything other than 'no crimp'. Will a lighter .001-.002 tension properly hold bullets in place while loaded in the magazine and rifle strapped to a pack? Or when bullets are fed into the chamber?</p><p></p><p>Now to answer some questions:</p><p>I clean my brass in a tumbler, using walnut hulls mainly, but just switched back to corn cob media [lil cleaner]. I do lube my cases prior to sizing and use only Hornady One Shot spray lube with cases standing upright when applying. I do trim brass as needed. Historically have used just the Lee hand trimmers. Just bought a Hornady case trimmer, but haven't used it yet, haven't needed to yet.</p><p></p><p>I started with a Lee balance beam scale, but upgraded to a RCBS Chargemaster a few years back. It sounds like I need to revisit the balance beam again.</p><p></p><p>Myself and my shooting buddies like to stick to Hodgdon powders if possible. I have and do use other brands as needed to look for better accuracy and consistency. I have no allegiance in primers, it usually boils down to what i have on hand or can find.</p><p></p><p>I usually start by running a pressure test, working up to find pressure signs in brass, primer or bolt lift and then back off from there. I like the idea of high side case capacities for uniformity of burning. Find the seating depth node based on accuracy on paper. Starting on the lands or mag length, then backing off in increments of .030-.040" and then fine tuning around whichever major increment shows the best promise.</p><p></p><p>A few of our latest recipes:</p><p>Savage LRH, Nosler Brass, WLRM primer</p><p>7mmRemMag, 69.8gr H1000, 162gr ELD-X [.070" jump]. 0.3-0.5MOA</p><p>SD15/ES45</p><p></p><p>03 Springfield Custom, Nosler Brass, WLR primer</p><p>280AI, 60gr H4831SC, 150grAccubondLR [0.070" jump] 0.5-0.7MOA</p><p>SD21/ES67</p><p></p><p>Buddies Savage [different chrono, same reloading methods]</p><p>300WSM, 62gr H4350, 200gr ELD-X, Norma Brass, TullAmmo primer</p><p>SD18/ES57</p><p>300WSM, 64gr H4350, 178gr ELD-X, Norma Brass, TullAmmo primer</p><p>SD15/ES46</p><p></p><p>Working on another batch for the weekend.</p><p>I tried cleaning necks with a brush. And I did polish the expander ball.</p></blockquote><p></p>
[QUOTE="cycloneshooter, post: 1332715, member: 62578"] Thanks everybody for all the great suggestions and comments! The support is overwhelming! First question: [U]Is a .002 neck tension appropriate for a hunting rifle?[/U] I have always used standard FL dies with expander balls, so I have never done anything other than 'no crimp'. Will a lighter .001-.002 tension properly hold bullets in place while loaded in the magazine and rifle strapped to a pack? Or when bullets are fed into the chamber? Now to answer some questions: I clean my brass in a tumbler, using walnut hulls mainly, but just switched back to corn cob media [lil cleaner]. I do lube my cases prior to sizing and use only Hornady One Shot spray lube with cases standing upright when applying. I do trim brass as needed. Historically have used just the Lee hand trimmers. Just bought a Hornady case trimmer, but haven't used it yet, haven't needed to yet. I started with a Lee balance beam scale, but upgraded to a RCBS Chargemaster a few years back. It sounds like I need to revisit the balance beam again. Myself and my shooting buddies like to stick to Hodgdon powders if possible. I have and do use other brands as needed to look for better accuracy and consistency. I have no allegiance in primers, it usually boils down to what i have on hand or can find. I usually start by running a pressure test, working up to find pressure signs in brass, primer or bolt lift and then back off from there. I like the idea of high side case capacities for uniformity of burning. Find the seating depth node based on accuracy on paper. Starting on the lands or mag length, then backing off in increments of .030-.040" and then fine tuning around whichever major increment shows the best promise. A few of our latest recipes: Savage LRH, Nosler Brass, WLRM primer 7mmRemMag, 69.8gr H1000, 162gr ELD-X [.070" jump]. 0.3-0.5MOA SD15/ES45 03 Springfield Custom, Nosler Brass, WLR primer 280AI, 60gr H4831SC, 150grAccubondLR [0.070" jump] 0.5-0.7MOA SD21/ES67 Buddies Savage [different chrono, same reloading methods] 300WSM, 62gr H4350, 200gr ELD-X, Norma Brass, TullAmmo primer SD18/ES57 300WSM, 64gr H4350, 178gr ELD-X, Norma Brass, TullAmmo primer SD15/ES46 Working on another batch for the weekend. I tried cleaning necks with a brush. And I did polish the expander ball. [/QUOTE]
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Standard Deviation & Extreme Spread - What does it take?
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