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Butler creek tri-port barrel verses normal H.B verses fluted

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Is there any accuracy difference between theese three barrels. If there are which ones are generally more accurate

Butler creek .920 H.B Blued

Butler creek .920 tri-port barrel

Butler creek .920 fluted barrel



Are there any accuracy differences?
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The tri-ported barrel had a steel core with a plastic or CF shell around it so it is more prone to heat distortion thereby making it less accurate over a session. The heat is a real problem here in NE Florida, the heat index is 100+ on lots of days.
 
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