Colt's Police Positive incorporated a hammer-block safety that made it possible to safely carry with all six chambers loaded.

The hammer spur of the Security-Six revolver was checkered sharply to provide good purchase, and examples of the Speed-Six have been encountered with “bobbed” hammers that either bore ...

There are two types: revolvers and pistols ... shot because the trigger always cocks and releases the hammer. Interestingly, for a short time in the early 90s, Browning offered the BDM pistol ...