It has a hammerless action which means that there is no external hammer spur.

His thumb on the hammer spur, the Executioner eased the hammer back down.

The Colt Bisley can be distinguished by the longer grip, the wider hammer spur, and the wider trigger.

He held the hammer to the rear as he released the trigger, then let go of the hammer spur as well.

This revolver featured a longer grip, a wider hammer spur, a wider trigger and adjustable sights.

Often the hammer spur is lowered so the gun may be fired by wiping one's finger across the hammer.

The hammer spur has been removed, and is flush with the rear of the slide.

In the 1970s the trigger mechanism was slightly modified and the hammer spur was enlarged.

These are generally intended for concealed carrying, where a hammer spur could snag when the revolver is drawn.

The lack of a hammer spur was also criticized since the longer trigger pull of the Adams made it less accurate than the Colt.