Full Metal Jacket three to four times a week, for hours at a time. Kubrick had already written a detailed treatment, and Kubrick and Herr got together at Kubrick's home every day, breaking down the treatment into scenes. From that, Herr wrote the first draft. The filmmaker worried that the book's title might be misread by audiences as referring to people who only did half a day's work and changed it to "Full Metal Jacket" after discovering the phrase while going through a gun catalogue. After the first draft was completed, Kubrick phoned in his orders, and Hasford and Herr mailed their submissions
Full metal jacket bullet Full metal jacket bullet A full metal jacket (FMJ) bullet is a small-arms projectile consisting of a soft core (often lead) encased in a shell of harder metal, such as gilding metal, cupronickel, or, less commonly, a steel alloy. A bullet jacket generally allows for higher muzzle velocities than bare lead without depositing significant amounts of metal in the bore. It also prevents damage to bores from steel or armor-piercing core materials. In military nomenclature, it is often labeled "ball" ammunition. The bullet was invented in 1882 by Swiss Colonel Eduard Rubin while he was working for the Swiss Federal