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The Range
Ammo & Reloading
Couple questions: Precision loading 6.5 creedmoor
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<blockquote data-quote="jc5420" data-source="post: 2840296" data-attributes="member: 16425"><p>It isn't overly hard to find a decent load as you may think. I do not load 6.5cm, but instead 6.5x47. Best thing I could tell you is if your barrel is a 1:8 twist pick up some Berger 140 hybrids. Find the distance to your lands and load your rounds with a slight jam to start testing. I use varget in my cartridge and some use it in the creedmoor, others like h4350. What you are looking for to begin with is your absolute max pressure with a specific bullet, powder, primer combo. I load 1 round of each charge weight starting low to high increasing never more than .2gr until I find a max pressure. A chronograph is handy hear as well.</p><p></p><p>After you find max pressure for the combo you run, if the 140 hybrids then back them off .020" from the lands and begin whatever method you want to find an accurate load. My favorite method is using a chronograph and starting low working my way to .5gr less the max pressure. I usually run a coarse test first with .4 or .5 increments while recording velocity and group size and position relative to point of aim. I am looking for groups that shoot the same POI with the different charge weights. After this I will play around between two charge weights and find the lowest SD to determine my load. Next I run them at 600y or 1000y to truly see what the combo tells me.</p><p></p><p>Another way I like to do this is just shoot for groups at 600y using the same method, it makes bad nodes really stick out.</p><p></p><p>I typed this fairly quick so if it doesn't make sense then please just ask away.</p><p></p><p>Also I use FL bushing dies to Bump my shoulders back .001" at a time stressing the brass as little as possible. Other than that nothing special is done for loading.</p></blockquote><p></p>
[QUOTE="jc5420, post: 2840296, member: 16425"] It isn't overly hard to find a decent load as you may think. I do not load 6.5cm, but instead 6.5x47. Best thing I could tell you is if your barrel is a 1:8 twist pick up some Berger 140 hybrids. Find the distance to your lands and load your rounds with a slight jam to start testing. I use varget in my cartridge and some use it in the creedmoor, others like h4350. What you are looking for to begin with is your absolute max pressure with a specific bullet, powder, primer combo. I load 1 round of each charge weight starting low to high increasing never more than .2gr until I find a max pressure. A chronograph is handy hear as well. After you find max pressure for the combo you run, if the 140 hybrids then back them off .020" from the lands and begin whatever method you want to find an accurate load. My favorite method is using a chronograph and starting low working my way to .5gr less the max pressure. I usually run a coarse test first with .4 or .5 increments while recording velocity and group size and position relative to point of aim. I am looking for groups that shoot the same POI with the different charge weights. After this I will play around between two charge weights and find the lowest SD to determine my load. Next I run them at 600y or 1000y to truly see what the combo tells me. Another way I like to do this is just shoot for groups at 600y using the same method, it makes bad nodes really stick out. I typed this fairly quick so if it doesn't make sense then please just ask away. Also I use FL bushing dies to Bump my shoulders back .001" at a time stressing the brass as little as possible. Other than that nothing special is done for loading. [/QUOTE]
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Couple questions: Precision loading 6.5 creedmoor
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