I don't have a whitetail call mostly because I rarely hunt them they just happen to be around where I hunt Elk. So I don't know if the call will work on Muley's. I am laid up right now with a broken leg but next year or maybe later this year I could take you out and show you how I call Mulies.
Al

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Have hunted for 30 years. Moose, Muley's & Blacktail. My claim to fame is calling in Mule's.