meles meles wrote:Right, bald monkeys, back on subject. We were hoping if it would be possible to shoot supersonic milsurp 6.5x55 and, bigger, longer, heavier, cast lead, sub-sonic boolits, from the same barrel. Is it ?
Yes , get on with it !
Bullet stabilisation
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All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
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All handloading data posted on Full-Bore UK from 23/2/2021 must reference the published pressure tested data it was sourced from, posts without such verification will be removed.
Any existing data without such a reference should be treated as suspect and not used.
Use reloading information posted here at your own risk. This forum (http://www.full-bore.co.uk) is not responsible for any property damage or personal injury as a consequence of using reloading data posted here, the information is individual members findings and observations only. Always verify the load data and be absolutely sure your firearm can handle the load, especially older ones. If in doubt start low and work your way up.
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tackb
Re: Bullet stabilisation
Yes , get on with it !
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meles meles
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Re: Bullet stabilisation
*cracks whip*
Badger
CEO (Chief Excavatin' Officer)
Badger Korporashun
Quidquid latine dictum sit altum viditur.
"Quelle style, so British"
CEO (Chief Excavatin' Officer)
Badger Korporashun
Quidquid latine dictum sit altum viditur.
"Quelle style, so British"
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StanDeasy
Re: Bullet stabilisation
Reviving this thread as I have just "found" a 500 box of .264 cal 155 SMKs in the cupboard.
Although very long, 1.45" they have a relatively short ogive at 0.57" so they "might" stabilize at sub-sonic velocity if the barrel twist is fast enough.
According to the Berger twist rate stability calculator, an 8.5" twist would be very marginal, but anything faster should be OK, at least at short range.
If you would like some samples to try, just let me know, as I have no use for them, apart from running in new barrels!
SD
Although very long, 1.45" they have a relatively short ogive at 0.57" so they "might" stabilize at sub-sonic velocity if the barrel twist is fast enough.
According to the Berger twist rate stability calculator, an 8.5" twist would be very marginal, but anything faster should be OK, at least at short range.
If you would like some samples to try, just let me know, as I have no use for them, apart from running in new barrels!
SD
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