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Competition, Tactics & Training
Shooting Chat
300 Black Out Question.
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<blockquote data-quote="dennishoddy" data-source="post: 2599917" data-attributes="member: 5412"><p>I'm not a .300 blackout user, but in general, there has to be a velocity/twist/length of bullet/OAL issue.</p><p>The combination of length, weight and shape of a projectile determines the twist rate needed to stabilize it, as I'm sure you already know.</p><p></p><p>A Winchester 180 grain round nose .30 cal in a 30-06, won't shoot the same as a Barnes TTSX in the same weight.</p><p></p><p>My Browning Stainless stalker loves a 168 grain Sierra HPBT loaded where the lands just touch the ogive.</p><p></p><p>Using a 168 grain Barnes TTSX for elk, I have to back it off the rifling .007. Barrel harmonics and bullet design is the only thing IMHO that would account for that.</p></blockquote><p></p>
[QUOTE="dennishoddy, post: 2599917, member: 5412"] I'm not a .300 blackout user, but in general, there has to be a velocity/twist/length of bullet/OAL issue. The combination of length, weight and shape of a projectile determines the twist rate needed to stabilize it, as I'm sure you already know. A Winchester 180 grain round nose .30 cal in a 30-06, won't shoot the same as a Barnes TTSX in the same weight. My Browning Stainless stalker loves a 168 grain Sierra HPBT loaded where the lands just touch the ogive. Using a 168 grain Barnes TTSX for elk, I have to back it off the rifling .007. Barrel harmonics and bullet design is the only thing IMHO that would account for that. [/QUOTE]
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