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Author Topic: 458-244-FN (Bob's Boat tails)  (Read 1826 times)

SwedeNelson

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458-244-FN (Bob's Boat tails)
« on: October 14, 2015, 04:10:30 PM »
Working with rsterne (Bob's Boat tails) on some Air rifle moulds
We have come up with the following design
43" Twist



Post if you have any interest and will see what we can do.

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Al Nelson
« Last Edit: October 15, 2015, 12:20:25 AM by SwedeNelson »

teemu

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Re: 458-244-FN (Bob's Boat tails)
« Reply #1 on: October 14, 2015, 04:24:14 PM »
This one looks also interesting..RG2...

SwedeNelson

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Re: 458-244-FN (Bob's Boat tails)
« Reply #2 on: February 06, 2017, 09:03:53 PM »
Bob, anyone

What rifle would this be good in?

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Al Nelson

rsterne

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Re: 458-244-FN (Bob's Boat tails)
« Reply #3 on: February 07, 2017, 01:46:11 AM »
It should work well in anything 3000 psi with a 24" barrel, or more power than that.... Most .45 cals seem to be pretty fast on the twist rate, but all bullets face that challenge, not just this one.... I would think some of the Korean guns, or possibly the Texan should be OK.... although I have heard the Texan prefers heavier bullets with it's fast twist barrel.... Some .45's are 0.452" groove instead of 0.458", but you can easily compensate for that when making the tooling....

Bob
« Last Edit: February 09, 2017, 10:57:11 PM by rsterne »

rsterne

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Re: 458-244-FN (Bob's Boat tails)
« Reply #4 on: May 05, 2018, 03:41:45 AM »
This bullet is now in the Store.... I didn't even know this one was coming out.... Al has made moulds for the .458 cal 244 gr. BBT and it's 229 gr. HP version....

http://noebulletmolds.com/NV/index.php?cPath=374_381_550

Bob

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Re: 458-244-FN (Bob's Boat tails)
« Reply #5 on: September 16, 2018, 06:45:10 AM »
Bob, anyone

What rifle would this be good in?

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Al Nelson

size for the Marlin Model 1894 Limited Edition Lever Action Rifle 45 LC 1:38 twist... if it was a powder round tho.. ;)

For an air rifle barrel we have the Green mountain 25:  1:32 twist blank...
http://www.gmriflebarrel.com/bx45c-25-45-colt-cal-1-06-od-4140cm-1-32-turned-bbl-blank/


 I would fit it to a  Winchester  M/70  .45 .... Which I bet has the .45-70's twist rate of 1:20

There are slow twist barrels these and the  290-fn  ( and a 260g-270g) would be nice with the  32 twist barrel...

not sure but the 290g but it would probably do better overspun some in the 1:20 barrels than in the  1:38 marlin barrel...imo.. ;)

green mountain does have 1:16 twist  45 acp barrels

http://www.gmriflebarrel.com/45-blank-h-45-acp-25-x-1-25-heavy-gunsmith-edition-raw-blank/


 



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