Custom built
No, the 22 Mag will not fit.
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.
.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.
Yes Marln made a 22 mag auto loder model 922
it depends on the model .22, in most cases the .22 will be more accurate because of the superior rifling in the barrel
Not currently
Yes.
50-250 usd
roughly about 22 miles accurate
Impossible to answer as asked. Factory or custom?
Depends on the action. Not a good idea.