Somebody's making the projectiles for these:

I bought a few lots of the 'factory seconds' from Midway in Sept. of 2015, same 'Product#: 590071', only then they were $28.69 per 100, not the $116.99 they want now. They look, measure, and weigh identical to the old Hornady 3715:

Compare the listing: Midway 'Factory Seconds'

To this older listing of Hornady 3715: Midway Hornady 3715