Depends on the action.
Not a good idea.
.22 mag and .22 LR are not the same. So, no.
NO! The .22 mag case is larger in diameter than the .22 long rifle case thus the chamber of a .22 mag gun is too large for a .22 long rifle bullet. If the bullet does fire, the case will split with unpleasant and innaccurate results.
No, the 22 Mag will not fit.
Custom built
Wondering about the size of the specific bullets - but assume also that the fact that one is rim fire and the other center fire would dictate the use as much as anything...
Yes Marln made a 22 mag auto loder model 922
Not currently
Yes.
50-250 usd
Yes, you can shoot .22 Mini-Mag ammunition in a rifle chambered for .22 LR, as .22 Mini-Mag is a type of .22 LR ammunition. However, it's important to ensure that your rifle is in good condition and properly maintained. While the Mini-Mag is a high-velocity round, it should function correctly in most .22 LR firearms. Always consult your firearm's manual or manufacturer for specific recommendations.
50-200 USD
900