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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 PRC 156gr Berger EOL twist dilemma
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<blockquote data-quote="dug" data-source="post: 2958969" data-attributes="member: 9523"><p>Revolutions per minute = rpm. Minutes are a unit of time </p><p>that is the way i understand it </p><p>i do think i understand ur thought ,</p><p>a curtain twist is needed to stabilize a bullet per yard of travel regardless of velocity ? Not sure how to explain right , not sure im in tune to that thought either , but a smart nerd type in ballistics like bryan litz or others may be able to dissect it into terms we can understand . No offense implied </p><p></p><p>i recently built a 223 with a 28" barrel for the 73-77 ish class of bullets</p><p>i choose a 1in9 due to added velocity from barrel length .</p><p>i have no issue with stabilizing bullets out to 1000 yrds and they are right on the edge of transonic which is where u want over stabilized bullet.</p></blockquote><p></p>
[QUOTE="dug, post: 2958969, member: 9523"] Revolutions per minute = rpm. Minutes are a unit of time that is the way i understand it i do think i understand ur thought , a curtain twist is needed to stabilize a bullet per yard of travel regardless of velocity ? Not sure how to explain right , not sure im in tune to that thought either , but a smart nerd type in ballistics like bryan litz or others may be able to dissect it into terms we can understand . No offense implied i recently built a 223 with a 28” barrel for the 73-77 ish class of bullets i choose a 1in9 due to added velocity from barrel length . i have no issue with stabilizing bullets out to 1000 yrds and they are right on the edge of transonic which is where u want over stabilized bullet. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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6.5 PRC 156gr Berger EOL twist dilemma
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