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Old 10-26-2012, 07:00 AM
Jim Watson Jim Watson is offline
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If you open a .45-70 case up as straight as you can reasonably expect good extraction, you have a .475 Turnbull.
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Old 10-26-2012, 04:11 PM
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Maximumbob54 Maximumbob54 is offline
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Straight wall rifle cases? Straight wall rifle cases? Straight wall rifle cases? Straight wall rifle cases? Straight wall rifle cases?  
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Quote:
Originally Posted by Jim Watson View Post
If you open a .45-70 case up as straight as you can reasonably expect good extraction, you have a .475 Turnbull.
Looks like a bottleneck to me?

475 Turnbull - rifle replicas by Turnbull Mfg. Co.; Turnbull has spent the last several years designing a cartridge for vintage lever action rifles, specifically the Model 1886 Winchester rifle
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