With the exception of a few revolvers made with interchangeable cylinders, the .22 LR and .22 magnum cartridges should NOT be substituted for each other. The .22 magnum is a larger diameter cartridge than the .22 LR. Firing a LR cartridge in a magnum rifle will result in a split cartridge case, venting of gasses, etc. They cannot be traded with one another.
Depends on the action. Not a good idea.
No
22 shorts can be fired in a pump or bolt action rifle chambered for long rifle cartridges but not in most automatics.
22 short, 22 long, 22 long rifle or 22 magnum depending on what it is chambered for.
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 NO NO! Only shoot what the rifle is chambered for and so marked.
Your rifle should be chambered for .22 Magnum. As such, the chamber is too long and too big for .22 Long Rifle and, if the shell will fire, the case will usually split. Not recommended.
The marlin model 781 was chambered for the .22 long rifle.
"Regular .22 rimfire ammo IS .22 LR.
No, the 22 Mag will not fit.
Winchester made many rifle models chambered in several .22 calibers.
.22 Short cartridges may be fired in most firearms chambered for .22 LR- However, with most they will need to be hand fed one cartridge at a time. Most automatic firearms chambered for 22 LR will not cycle as a semi auto with Shorts.