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The Range
Rifle & Shotgun Discussion
AR15 - how light can you go.
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<blockquote data-quote="ripnbst" data-source="post: 1614176" data-attributes="member: 16136"><p>0.480" is really pushing the limit. Even if it would withstand firing would you be worried about a focused load? Say knocking it against cover or something when running through a stage of a match. A focused point load is much more stressful than a uniform "hoop stress" load, even in a lower load level.</p><p></p><p>If the barrel gets a small dent and then you fire the next shot...what is a couple ounces worth to you?</p><p></p><p>I know I am being devil's advocate here but I would really hate to see something catastrophic happen in the pursuit of shaving mere ounces. </p><p></p><p>There is a reason companies test stuff to failure, for an individual it may not be feasible (in terms of cost) to buy two barrels, shave one down to 0.480" and bash it off something hard with a controlled force to see where it fails. If it doesn't bend or dent at any level force you could foresee putting it through then mount it, sell the spare, and preach the safety of 0.480" profile barrels. If it bends or dents, turn your 2nd barrel down to the known safe minimum and and scrap the toothpick profile barrel.</p><p></p><p>Not even getting into the effect on POI as the barrel heats up in something that thin.</p></blockquote><p></p>
[QUOTE="ripnbst, post: 1614176, member: 16136"] 0.480" is really pushing the limit. Even if it would withstand firing would you be worried about a focused load? Say knocking it against cover or something when running through a stage of a match. A focused point load is much more stressful than a uniform "hoop stress" load, even in a lower load level. If the barrel gets a small dent and then you fire the next shot...what is a couple ounces worth to you? I know I am being devil's advocate here but I would really hate to see something catastrophic happen in the pursuit of shaving mere ounces. There is a reason companies test stuff to failure, for an individual it may not be feasible (in terms of cost) to buy two barrels, shave one down to 0.480" and bash it off something hard with a controlled force to see where it fails. If it doesn't bend or dent at any level force you could foresee putting it through then mount it, sell the spare, and preach the safety of 0.480" profile barrels. If it bends or dents, turn your 2nd barrel down to the known safe minimum and and scrap the toothpick profile barrel. Not even getting into the effect on POI as the barrel heats up in something that thin. [/QUOTE]
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