By A Mystery Man Writer
Cartridge Cases are usually made of brass, a composition of 70% copper and 30% zinc.Less commonly,they are made of steel of aluminum,zinc and plastic materials that have been used
Ammunition problems: How to detect, prevent, and avoid them – Primetake
Ammunition - Wikipedia
Is Cheap Steel-Case Ammunition Safe to Use?
Basic Firearms Part 2: Ammunition
Last Weekend Gun Show, Part 4: Rimless Rifle Cartridges Part 1 - General Ammunition Discussion - International Ammunition Association Web Forum
Cartridge Cases - The Basics of Firearms and Ammunition
How the Rifle and Handgun Fire
Back To Basics: Cartridge Cases
What is Caliber and What Does It Mean for Shooting?