Obviously, steel(which can contain iron, carbon, and may contain chromium, nickel, molybdenum, vanadium, etc). Depending on the gun, it may also contain some copper or brass, wood, plastics, etc.
Steel
Steel
A rivet gun is used to punch steel bolts into steel beams.
zinc, steel, titanium, scandium, aluminum, wood, plastic
Gun safes are typically constructed from steel plating with fire-insulating material in them. The steel walls are usually quite thick, as much as an inch thick in some safes.
Steel, titanium, aluminum and various others have been used.
Depending on the guns- steel, brass, aluminum, copper, nickel, other metals, wood, and various plastics.
Steel, brass, wood, plastics.
Steel, iron, copper, brass, titanium, are a few.
You will have to contact Browning for a correct answer.
Oxidation of the steel of a gun barrel.
Call the police.