Because people's eyes got bigger than their wallets when the post-pandemic shipments of Italian guns came in.....and then
#1 guys who weren't smart enough to hide them from their wives are being forced to sell
#2 guys who bought cap and ball revolvers as cheaper to shoot alternatives realized they are actually work to keep running
#3 like was said, lack of components
#4 all the impulse buys at Cabelas are going on the chopping block because people need $ for eggs and heating oil
#5 bored buyers syndrome, it looked cool 6 months ago and it's not shiny new anymore, plus it's easier to dish off non-FFL firearms quickly