Thread: Biggest frame size for a 20 ga?
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Hedderly
Unread 12-12-2010, 08:58 PM   #14
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Austin W Hogan
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Default Hedderly
I think Kevin's brother was researching Hedderly in the 1990's, but never published the article. Hedderly was ahead of WW SuperX putting 8 gauge loads in 12's and 10 ga loads in 20's.

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