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Long Range Hunting & Shooting
Blocked bolt with reloaded ammo
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<blockquote data-quote="jreagle" data-source="post: 1616503" data-attributes="member: 40992"><p>assuming the manufacture of the rifle is good and your brass is prepped; sounds like your rifle is telling you that 44.8 is over pressure with your brass bullet and rifle combination. back off a few tenths of a grain, shoot it, and if no problems, that would be your max. allowable load.</p><p>reshoot up to the new max and find your best group from there.</p><p></p><p>need more velocity; use a lighter bullet or try lapua brass or try a different powder. if the rifle is brand new; velocity may speed up as the barrel breaks in..... and then the hot load will most likely not group anymore.</p><p></p><p>as previously mentioned, a chronograph while developing loads may help to better know when you are approaching high pressure; velocity will jump up in a larger increment. you can identify the velocity of your accuracy load which will help as you change powder and primer lots.</p><p></p><p>don't use the RS50 44.8 or 44.7 load in your current brass, bullet, rifle, load combination; the next time could be a disaster. note it in your load book that it is over pressure and dangerous.</p><p></p><p>as an example; my 308 seems to reach pressure before max listed loads; my tightest groups are about a grain below listed max.</p></blockquote><p></p>
[QUOTE="jreagle, post: 1616503, member: 40992"] assuming the manufacture of the rifle is good and your brass is prepped; sounds like your rifle is telling you that 44.8 is over pressure with your brass bullet and rifle combination. back off a few tenths of a grain, shoot it, and if no problems, that would be your max. allowable load. reshoot up to the new max and find your best group from there. need more velocity; use a lighter bullet or try lapua brass or try a different powder. if the rifle is brand new; velocity may speed up as the barrel breaks in..... and then the hot load will most likely not group anymore. as previously mentioned, a chronograph while developing loads may help to better know when you are approaching high pressure; velocity will jump up in a larger increment. you can identify the velocity of your accuracy load which will help as you change powder and primer lots. don't use the RS50 44.8 or 44.7 load in your current brass, bullet, rifle, load combination; the next time could be a disaster. note it in your load book that it is over pressure and dangerous. as an example; my 308 seems to reach pressure before max listed loads; my tightest groups are about a grain below listed max. [/QUOTE]
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Blocked bolt with reloaded ammo
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