You will need to contact Ruger.
Yes, but not steel shot
No, this is a dedicated .223 Remington chamber, and that's the only ammunition which should be used with this rifle. While the two rounds are matching in dimensions, they are not identical.
YOU MUST HAVE IT EXAMINED BY A GOOD GUNSMITH, before you attempt to fire it with modern ammunition.
Yes, it is safe to shoot .38 Special ammunition in a .357 Magnum revolver. The .357 Magnum revolver is designed to safely shoot both .357 Magnum and .38 Special ammunition.
Yes, from a reloading BUSINESS.
Put it into the gun it was designed for and shoot a target with a safe backstop. That's the only sane thing to do with live ammunition.
Safe during a fire
Yes.
Ammunition should be stored in a safe when not in use. If the ammunition is being used on the range, only the amount needed should be out, and it should be kept out of the reach of children.
If a gun does not fire a pellet, it could be due to various factors such as an empty chamber, a malfunctioning firing mechanism, or an issue with the ammunition. It is important to ensure proper loading, maintenance, and troubleshooting to address the problem and ensure safe operation.
For a home owner the best way to store ammunition is inside a gun safe. Preferably in the climate controlled living area.
The SKS is designed to fire the 7.62x39mm cartridge, not the 7.62x54mmR. Attempting to shoot 7.62x54R ammunition from an SKS could cause serious damage to the rifle and pose significant safety risks to the shooter. It's crucial to use only the appropriate ammunition specified for the firearm to ensure safe and reliable operation.