PICATINNY ARSENAL, N.J. -- During a firefight, the last thing a machine gunner wants to do is stop fighting to change barrels, but that's how it has always been done with standard, single steel-barrel ...

I've had a 1968 Charger since 1984, and I'd like to reproduce most of the exterior sheetmetal in aluminum, including the bumpers. My plan is to cut aluminum panels to size, hold them to the centerline ...