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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet ogive measuring for mile shooting
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<blockquote data-quote="Shawn Carlock" data-source="post: 37353" data-attributes="member: 4"><p>Not all but some bullet/twist/velocity combo's do some wild and sometimes entertaining things when they go sunsonic. This is probably happening to the guys with the 6.5-284 at about 1600 yards. I have seen in paticular 308's that shot like a million bucks at 800 and not worth a crap at 1000 (some not all), most go subsonic before 1000. I always thought the 260 was a better round for distance shooting for this reason over the 308. Have you guys ever tried shooting at 1400 or so to see what is happening with the groups. If it is a vertical problem I would still look at the extreame velocity spreads. If the group just opens up or you are getting keyholes look hard a velocity vs distances. I believe this to be one of the huge advantages of the big 338's. My 338 EDGE depending on conditions goes subsonic around 2000 to 2100 yards. Good luck. Lots of people talk about mile shooting, few ever try it.</p><p>Shawn</p></blockquote><p></p>
[QUOTE="Shawn Carlock, post: 37353, member: 4"] Not all but some bullet/twist/velocity combo's do some wild and sometimes entertaining things when they go sunsonic. This is probably happening to the guys with the 6.5-284 at about 1600 yards. I have seen in paticular 308's that shot like a million bucks at 800 and not worth a crap at 1000 (some not all), most go subsonic before 1000. I always thought the 260 was a better round for distance shooting for this reason over the 308. Have you guys ever tried shooting at 1400 or so to see what is happening with the groups. If it is a vertical problem I would still look at the extreame velocity spreads. If the group just opens up or you are getting keyholes look hard a velocity vs distances. I believe this to be one of the huge advantages of the big 338's. My 338 EDGE depending on conditions goes subsonic around 2000 to 2100 yards. Good luck. Lots of people talk about mile shooting, few ever try it. Shawn [/QUOTE]
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bullet ogive measuring for mile shooting
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