I was pointing out to the OP that the bullet on the *left* very clearly is not a .22 LR (commonly referred to as simply .22) bullet. Given that OP was snarkily remarking that there are greater differences between bolt action and semi-auto rifles, but demonstrated a lack of basic knowledge about guns, my comment was a snide recommendation to do more research before trying to weigh in. Upon which you decided to reply to my comment that the 5.56x45 is .22 caliber, for some reason.
In case you need further clarification: Nowhere did I ever make a mistake about what caliber a 5.56x45 bullet is, nor did I give an indication of it, but you seem to be operating under the impression that I do not know this rather basic fact. Despite the fact that I can read and have access to the other comments you made which point this out, as well as having prior knowledge on the subject.