Different steels for different firearms. Contact Ruger Customer Service through their website. Some of this may be privileged trade secret info, and may not be released.
RUGER PISTOLS ARE GOOD GUNS, ABOUT $600
Unless I have missed something, All Ruger firearms are made in the USA. Other makers brand forign made guns. But none of Ruger firearms are forign made.
The Book of Colt Firearms. History of Smith and Wesson. Standard catalog of Smith and Wesson. Ruger, the man and his guns.
Carbon steel guns are usually blued to protect from rust. Stainless guns are left as is.
Stainless steel is not a single kind of steel. It is a generic name for a wide range of corrosion-resistant steels. The properties of these steels vary and some of them are magnetic.
In Very Good gondition, about $250. Stainless guns about $50 more.
Not exclusively. Police carry many different types, styles and finishes of firearm.
USA
It's a model of a COLT 357. Just like the Crosman 1077 is a copy of a Ruger 1022. Several of Crosman's air guns are modeled after real firearms.
Depends on the exact gun. Steel, composite metals, aluminum, and polymers are all used for various types of firearms.
Firearms are not always black. Many companies do not offer guns in black, espically revolvers and 1911's. Firearms can come in stainless steal, brushed finish, blued, blacked ect. Many firearms are blackend from black ocodized process. This prevents the firearm from rusting and showing scratches as well as helping to conceal and not draw attention. Some groups like to carry " barbecue ( BBQ ) guns". Flashy firearms friends will quickly notice. Often shiny with wood grips.
gunpowder can be used for guns and fireworks