WTB used Tac 16 or Hunter upper

[Goju]

Looking to buy a used Tac 16 or Hunter upper. Other uppers considered with a max bbl length of 20", mid or rifle length gas system, and nothing uber tactical. Intent is for a hunting set up (trying to get a friend into the mighty Grendel)

TIA

[gunner69]

Are you still interested in a 16" upper?