240 Gr Match King

KC0MIE3006

New Member
Joined
Sep 5, 2002
Messages
3
Location
Nebraska
Hey guys, Just curious if the 30cal, 240gr Matchking is twist specific. I think Sierra says it needs a different twist than a 1 in 10. Any info or advice would be appreciated.

TS
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Brent

Well-Known Member
Joined
Jun 12, 2001
Messages
2,537
Location
Palmer, Alaska
It depends on the MV. A program I have, Load From a Disk says at 2940 fps and up it needs a 10 twist, 3528 (rev/sec). 2930 fps and below needs a 9 twist, 3906 (rev/sec). That is what this program sayes, but if I remember correctly some have found the 10 twist at even lower MV to still work for them.
 

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