In Reply to: Where did an 18yo get the money to buy the guns and ammo? posted by I believe 2 AR15s would cost several thousand. on Wed, Jun 01 2022 at 12:00 PM CDT:
online credit approval takes "seconds" so maybe that's how he bought that one AR-15. It's unknown if that's the one he used in the Uvalde shooting.
Daniel Defense apparently (according to a long story in NYT on 05-28-2022) markets its products aggressively to young men.
(I'm a subscriber to NYT so doubt a link here would work but the link below shows a copy of the receipt for the AR-15.)
https://www.dailydot.com/debug/uvalde-mass-shooter-bought-gun-online/