accidentally through recoil or slam firing or dropping or any malfunction that i've been exposed to thus far, involuntarily fire a second shot without full manipulation of the trigger. >> and tests showed that this trigger was difficult to pull. on most pistols, it takes between 4 and 6 pounds of pressure to pull the trigger, but this gun required almost 12 pounds of pressure. the conclusion, the gun could not have double fired. >> one of the beautiful things about mechanisms is they don't think. they will either function or malfunction. it is very easy with a right amount of background knowledge to look at a mechanism and determine if, in fact, it could or did fail. with that knowledge, it makes i very hard for me to believe that story. >> but it is possible for a