Ballistics can be complex, involving a multitude of variables. This old U.S. Army training film, however, does a solid job of breaking down the subject to its simplest terms.
IMR is set to expand its already extensive propellent catalog this coming year with three new powders. And the Enduron line shoots to do more than send bullets down range; it's also engineered to tidy up the bore.
Nowadays, reloaders have every type of propellent at their fingertips. But to get the most out of a cartridge, reloaders must understand the different powders' properties. Master ballistician Philip Massaro breaks down what you need to know about powder.
In a firearms twist on what came first, the chicken or the egg, it turns out that, in early America, it was the egg–or, as we know it, gunpowder. American powder manufacture antedated gun manufacture. A powder mill at Milton, Massachusetts, near Boston, was probably the first. By the beginning of the Revolution, colonists...