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Old 4th August 2015, 10:04 AM
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Sundance Sundance is offline
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Join Date: Mar 2013
Location: swansea
Posts: 260

I wonder if the barrel twist rate is a significant factor between the Steyr barrel and some of the 'upgrades' some are changing to?

I'm told the Steyr barrel has a twist rate of 1:15 cms
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