3006 with 1/12 inches twist?

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26 January 2007, 02:34

yes

3006 with 1/12 inches twist?

Hi
which is the heaviest pointed bullet that can be stabilised by 1/12 inch rifling twist? i mean modern bullets like accubond or hornady interbond or barnes stx?
regards
yes

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26 January 2007, 02:40

ScudRunner

180gr

26 January 2007, 03:31

DougH9

I built a 30 mag rifle with a 12 twist for shooting 180 grain Interbonds. I determined that the 12 twist is ideal for this weight range; plenty of room on both sides, although favoring the lighter.

To verify, I shot a bunch of 200 grain Sierra MK's out of my 12 twist 308 target rifle (which has digested many 190 grain MK's out to 1K yards). The 200's shot EXCELLANT.

26 January 2007, 04:14

Tailgunner

My 1-12 30-06 loves the 150 Ballistic tips for accuracy, but I don't recall ever seeing a keyhole/stabilization issue with any bullet up to the 220gr RN (they didn't group from that rifle, but that's another issue)