Massachusetts-based Berkshire Mountain Distillers is a craft whiskey producer known for its collaborations with craft breweries We first saw this in 2014 through its beer cask finished whiskies, and again last year with plans for a series of expressions distilled directly from craft brews. Now they are back at it again, revealing a ready-to-market expression that’s the result of a nearly three and a half year experiment with the Sam Adams brewery.

What’s known as Shays’ Rebellion American Whiskey came about back in 2012, when “Berkshire Mountain Distillers had the idea to experiment with triple distilling a batch of Samuel Adams Cinder Bock, a fiery Rauch Bock beer.…