"Double Taps" can be done in a quick and smooth manner with almost any handgun. The biggest thing is practice.
Now I have had my 10mm (Dan Wesson C-Bob) fire two rounds by itself when it had a bad sear and hammer from people dropping the slide without rounds in chamber when it was displayed for sale. That was an experience. I have since made it safe.
"A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
Life Member NRA
Life Member NAHC
Former President of the ECPT (Eifel Combat Pistol Team)