[DrewsMum]

AR’s can shoot .22?

[TexasGator]

https://www.hornady.com/bullets/rifle/#!/

[Lazamataz]

There are, in fact, AR platforms that can shoot .22LR, but the vast majority of them are .223 and 5.56. Those are similar in diameter to .22LR but have a much larger cartridge case and have more power behind them.