I have found ammo at every LGS I have been too...no ammo at big box though. I have almost pledged allegiance to one as they are keeping (almost) full shelves at good prices while the rest have only a few boxes out at a time at slightly higher prices.
“The beauty of the Second Amendment is that it will not be needed until they try to take it.”
― Thomas Jefferson
“The constitution shall never be construed...to prevent the people of the United States who are peaceable citizens from keeping their own arms.”
― Alexander Hamilton