Canadian blended whiskey stalwart Crown Royal has released their 13 Year-Old Blenders’ Mash. Crown Royal 13 Year-Old Blenders’ Mash is a blended whiskey composed of a mash bill of 60% corn, 36% rye and 4% barley malt. Crown Royal 13 Year-Old Blenders’ Mash will be available worldwide, albeit, only in limited quantities.