My 20 G 3/4 oz load is the same as Double Labs. Recently bought another 20 that I wanted to load even lighter, used 13.7 20/28 and it works just fine, very clean burning light recoil. May switch all 20 loads to 13.7 20/28 or perhaps not. Want to Cronograph 13.7 before I make my mind up.
William
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