I saw today that CCI can crank out 3 million rounds of .22 per day. One of the other large makers can do somewhere around 4.5million per day. Let's say that on average, 10,000,000 rounds of .22 are produced each and every day. Rounding down a little for equipment breakage, switching lines etc lets call that 3,600,000,000 per year. That's the supply. Sounds like a lot, right?
It's estimated there are 80 million gun owners in America. I think that number is low, but let's use it here. .22 is one of the most popular and common rounds, and it seems like most everyone has a gun that eats it even if they're only peripherally involved with shooting. Let's then say a quarter of all gun owners want some .22, and let's say that they want a couple brick's worth every year. I think those numbers are low both in how many folks want it and how much they want but taking them for the same of argument. Those very conservative numbers give us a yearly demand of 20,000,000,000. At current production levels that's over 5 years worth of production.