hammerless

From his coat pocket Britz produced the weapon, a gleaming steel revolver of the hammerless variety.

If it is a hammerless gun, remember that it is always cocked.

The naturalist carried a Colt's revolver; the Big Boy had a twelve-gauge hammerless, called a "howitzer."

A hammerless revolver, a short time ago, would have been considered an unsafe weapon.

In his hand was a gleaming, snub-nosed hammerless revolver, pointed at Rick's midriff.