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🔵🦆 Jammin Jack(ie) is Jammin Rex × DH Whiskey Girl — Rex's modern roll engine on a Fifty-Fifty / JP Rio Grande dam. Four published 100″ ancestors ride with the sire: Cowboy Tuff Chex (108.1″), Rex's Red Rose (105.0″), BL Rio Catchit (101.3″), and TTT Jammin' Jenny (100.1″). Also over 90″: Cowboy Ruff (92.8″) and Max's Red Rose (92.6″). Clean Rex stack where the bull does the heavy lifting on horn paper.

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