Depends on how old the revolver is.
A pistol rated to fire .38 +P ammunition is still going to be a .38 Special pistol, and can use regular .38 Special ammunition. .357 Magnum revolvers are also capable of chambering and firing .38 Special loads - regular, +P, and +P+ included.
yes
Simply put, ammunition that is loaded to a higher pressure to achieve more velocity.
No
You can purchase high-quality .38 Special +P ammunition, specifically the Buffalo Bore Ammunition .38 Special Short Barrel 110 Grain Barnes TAC-XP Hollow Point (Lead-Free), from reputable retailers. to explore and purchase this premium ammunition for your shooting needs.
Ammunition loaded to higher than normal pressure.
NEVER FIRE OR ATTEMPT TO FIRE AMMUNITION IN A WEAPON NOT DESIGNED FOR THAT AMMUNITION!!!!!!!!!!!!!!!!!!!!!!!!!!! Danger,danger, danger
38 S&W ammo. which is a shorter version of the 38 special cartridge.
No, the .357 and .38 Special ammunition are not interchangeable with other types of ammunition.
Yes, you can shoot .38 caliber ammunition in a .357 revolver because the .357 revolver is designed to also shoot .38 caliber ammunition.
Yes, you can shoot .38 Special ammunition in a .357 revolver.
No, a Taurus 38 Special cannot shoot 357 ammunition.