450_Ackley
(.375 member)
31/01/10 08:37 AM
Re: 510 Wells Build Questions

Quote:

So, if I were building a 510 I likely would use a 15, maybe a 14 if I were using the short 535 grain Woodleighs. If I were using longer monometals, I would want a 12 inch twist.






Why would you go to a faster twist with a shorter projectile?

My 500 Jeffery is a 1-23" twist, it will happily stabilise 570 grain Woodleighs and 535 grain Woodleighs. It also stabilises a 550 grain cast bullet I have, even when velocities get down to 1500 fps or so.
The twist rate in a 50 BMG barrel is fine.
If you had a take out barrel for a 50 BMG and the time/ability/contacts to have it re-profiled, then you would most certainly use it.

David.



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