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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Extreme ES caused by barrel?
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<blockquote data-quote="StumpGrinder" data-source="post: 2077781" data-attributes="member: 114832"><p>velocity goes up when the powder temperature goes up. Unless it is very temp insensitive. If you are putting a cold round in a warm barrel and fireing relatively quickly I don't think you would see much difference in velocity. Now if the barrel was hot and you lingered over the shot, then yes I could see the powder temperature going up as well as velocity. I don't have a chronograph so I can't test that. I only shot for groups and hunt. As long as I can get under 1 moa I'm good. 4 inch group at 500 yds all day long. I load slowly and consistently, measuring every third or so round and work up loads in .2 to .3 grain increments. I usually use the loading manuel col and I have no idea what my ES is, I just know I always have meat in the freezer. Sometimes we make things to hard!</p></blockquote><p></p>
[QUOTE="StumpGrinder, post: 2077781, member: 114832"] velocity goes up when the powder temperature goes up. Unless it is very temp insensitive. If you are putting a cold round in a warm barrel and fireing relatively quickly I don't think you would see much difference in velocity. Now if the barrel was hot and you lingered over the shot, then yes I could see the powder temperature going up as well as velocity. I don't have a chronograph so I can't test that. I only shot for groups and hunt. As long as I can get under 1 moa I'm good. 4 inch group at 500 yds all day long. I load slowly and consistently, measuring every third or so round and work up loads in .2 to .3 grain increments. I usually use the loading manuel col and I have no idea what my ES is, I just know I always have meat in the freezer. Sometimes we make things to hard! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Extreme ES caused by barrel?
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