I think there are a few things still going on.

You got the neck beards still waiting in line to buy what they can daily.

I'm Pretty sure Ammo MFG only pump out 22 a few times a year so they are in between cycles.

Also there is some rumor that distributors are holding onto most of the 22 and only getting some to the resellers "outside of whats stated in contract" and will see a 5 to 10 dollar increase per brick once contracts are re-negotiated..