The crashing roar of high-powered guns filled the canyon with thunderous echoes.

After that, concerned Milagro citizens commenced picking off the varmints from a distance, using high-powered guns and telescopic sights.

It is not uncommon to see a high-powered antiaircraft gun in the hands of a teenager wearing a T-shirt, jeans and flip-flops.

Neighbors told investigators that they remembered having occasionally heard what sounded like shots from high-powered guns in the area late at night.

Yes, getting his hands on a high-powered gun would be almost as easy as taking it off a warehouse shelf.

"Why don't they just use more high-powered guns on them?"

Paixhans developed a delaying mechanism which, for the first time, allowed shells to be fired safely in high-powered flat-trajectory guns.

I am sure he will enjoy operating one of those high-powered guns.

A high-powered gun is hidden within its belly.

Ban the import of guns except high-powered guns for use by the police and the military.