rigby
.327 Meteor
Posts: 769
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Post by rigby on May 22, 2009 5:59:03 GMT -5
I found the thread about the 45 twist rate very interesting so leeching off Aggie's post I was wondering what the different twist rates are for the various 475s. Does anyone know what the custom guys use? Was also wondering what Ruger used in their 480. My BFR has a 1-15.
Just found that Freedom Arms uses 1-18
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Post by Lee Martin on May 22, 2009 7:50:31 GMT -5
1:18 seems to be the standard twist on custom 475s. I use it on my conversions and it handles a wide ranges of weights. -Lee www.singleactions.com |
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shorty500
.327 Meteor
too many dirty harry movies created me!
Posts: 933
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Post by shorty500 on May 22, 2009 17:51:25 GMT -5
1:18 DOES SEEM TO BE THE "STANDARD" ONLY REFERENCE I HAVE FOUND THATS DIFFERENT IS THAT HODGDON LISTS 1:20 ON THE .475 LINEBAUGH PRESSURE TEST BARREL. HAD A .480 RUGER @ 1:18, IT HANDLED 308g TO 427g PILLS WITH NO TROUBLES.JUST WASN'T A BIG FAN OF THE SRH DOUBLE-ACTION MYSELF. WHEN ORDERED THEW PAC-NOR BLANK FOR MY 5SHOT BISLEY .480 CONVERSION I HAD MULTIPLE CHOICES BUT STUCK WITH THE 1:18 BECAUSE I KNEW THAT WORKED
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Post by Lee Martin on May 26, 2009 11:20:27 GMT -5
All of my 475 conversions have been done using 1:18" Pac Nor.....I've been very pleased with how they perform across a wide range of bullets. -Lee www.singleactions.com |
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Aggie01
.375 Atomic
max
Posts: 1,779
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Post by Aggie01 on May 28, 2009 11:04:31 GMT -5
Just talked to Mr. Linebaugh - 1 in 18" is what he uses for .45 Colt, .475 & .500.
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