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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Extreme ES caused by barrel?
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<blockquote data-quote="Paladin300" data-source="post: 2078050" data-attributes="member: 115299"><p>I haven't read all the post, so not sure of everything that has been suggested but I would lean in one of two areas based on the information you have provided. First I would weigh and measure all my brass. Sort it first by name brand and then according to weight. Measure it for length and case thickness. Using different brass can cause this though possibly not to the extent you are seeing. Second, I agree with what someone else has said, I think, that it could be a seating depth issue pertaining to either an inconsistent seating depth or neck tension issue. If you have a load that is shooting well but producing a high ES play with your seating depth and see if it changes. Depending on the bullet you may see the issue resolved by moving it further out towards the lands instead of running a factory coal. I have one rifle that will not shoot factory ammo at all and gives me similar issues but if I seat the bullets out (ABLRs) .050 of the lands with R23 I get SD's in the 3-5 range and the smallest groups of any gun I own. Also I had a seating die that would from time to time seat the bullets and different lengths from one bullet to the next, so that one round to the next in a batch of twenty could be off as much as .050. Could possibly be both/and as well. You could have an inconsistent brass issue as well as an inconsistent seating depth issue thus giving you the ES you are seeing. Just a thought.</p></blockquote><p></p>
[QUOTE="Paladin300, post: 2078050, member: 115299"] I haven't read all the post, so not sure of everything that has been suggested but I would lean in one of two areas based on the information you have provided. First I would weigh and measure all my brass. Sort it first by name brand and then according to weight. Measure it for length and case thickness. Using different brass can cause this though possibly not to the extent you are seeing. Second, I agree with what someone else has said, I think, that it could be a seating depth issue pertaining to either an inconsistent seating depth or neck tension issue. If you have a load that is shooting well but producing a high ES play with your seating depth and see if it changes. Depending on the bullet you may see the issue resolved by moving it further out towards the lands instead of running a factory coal. I have one rifle that will not shoot factory ammo at all and gives me similar issues but if I seat the bullets out (ABLRs) .050 of the lands with R23 I get SD's in the 3-5 range and the smallest groups of any gun I own. Also I had a seating die that would from time to time seat the bullets and different lengths from one bullet to the next, so that one round to the next in a batch of twenty could be off as much as .050. Could possibly be both/and as well. You could have an inconsistent brass issue as well as an inconsistent seating depth issue thus giving you the ES you are seeing. Just a thought. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Extreme ES caused by barrel?
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