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05-26-2025, 06:12 PM
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#1
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Member Info
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Join Date: Nov 2008
Posts: 2,881
Thanks: 3,566
Thanked 12,510 Times in 1,938 Posts
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I have found the same with Parker 20ga bores. Most are a few thousands over .615 up to .620. And most/ many 0 frame 20's have a min under .030, most seem to be .022 to .025. It would be hard to find one with .030 wall.
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The Following 3 Users Say Thank You to Craig Larter For Your Post:
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05-26-2025, 10:05 PM
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#2
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Join Date: Feb 2014
Posts: 6,019
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Thanked 12,026 Times in 3,532 Posts
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I’m curious as to why a 1923 gun would have 2 1/2” chambers? Maybe to bump pressure/velocity for trap competitions?
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