38 special.
gunbroker.com
No
You take it to a gunsmith
.38 Special, yes. Other .38 cartridges (such as the .38 Long Colt or .38 Super), no.
38 special is only a revolver caliber. that's like saying a 44 magnum revolver or a 500 special revolver. a revolver is a revolver
No, you cannot.
3 miles
Depends on the load
No, you cannot.
38 caliber revolver ammo
What model .38?