ELIZABETHTON — A 14-year-old boy died soon after a muzzle-loading rifle he was using exploded around 4:30 Wednesday afternoon at his family’s residence on U.S. Highway 19E near the Carter ...

The Maxim 50 from SilencerCo, a silencer manufacturer in Utah, is a .50-caliber muzzleloader, a modern version of the single-shot muskets used in the Revolutionary War.

Here’s how the system works. First you load a .50 cal muzzleloader bullet through the muzzle of the rifle. Then, you break open the gun and load the FireStick through the specially designed breech of ...