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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250 twist question.
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<blockquote data-quote="RT2506" data-source="post: 1257405" data-attributes="member: 10178"><p>Here is some information that may help you see what your velocity drop will be if you split the difference in barrel length. In the Sierra manual it list data for a 15" barrel pistol in 22-250. With 55s all but one powder maxed out at 3200 fps AA2015 went to 3400 fps. With 60s the powders max out at 3200 fps. This pistol has a 12" twist and they have data with 40 to 63 gr Sierra bullets listed for it.</p></blockquote><p></p>
[QUOTE="RT2506, post: 1257405, member: 10178"] Here is some information that may help you see what your velocity drop will be if you split the difference in barrel length. In the Sierra manual it list data for a 15" barrel pistol in 22-250. With 55s all but one powder maxed out at 3200 fps AA2015 went to 3400 fps. With 60s the powders max out at 3200 fps. This pistol has a 12" twist and they have data with 40 to 63 gr Sierra bullets listed for it. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250 twist question.
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