There is a lot of information available on unintended discharges. The only obstacle here is the specific nature of the question from the op.
The NYPD annually publishes information on unintended discharges. Problem is they do not use single action handguns. Even then the shots fired were the result of poor gun handling, mistakes, etc. and not the fault of the design of the gun.
Here is a link to that information...
http://www.nyc.gov/html/nypd/downloa...eport_2011.pdf
However it is clear, over time, that some designs may be more apt to have certain types of "accidents". To quote from the 2011 NYPD report...
Quote:
Three of the 13 firearms discharged during purely unintentional incidents were weapons that were not the officers’ regular service or off-duty firearms—two were perpetrator’s weap-ons, and one was an ESU Glock 19 equipped with an under-the-barrel flashlight.
More notably, six of the remaining ten firearms were also manufactured by Glock (three model 19s and three model 26s). In fact, with regard to officers experiencing unintentional dis-charges while loading or unloading their own firearms, 75 percent of such incidents involved Glocks. Their overrepresentation in this category has been seen consistently over the past five years: since 2007, there have been 31 incidents in which officers unintentionally discharged their own firearms during loading/unloading, and 22 of those incidents—71 percent—have involved Glocks. This most likely stems from the fact that a person disassembling a Glock must depress the trigger to do so.
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This factual information does not make the Glock a poor design. It does show that when a gun is issued to large numbers of people and you keep track of what "accidents" occur and how, that it can help you pinpoint the areas that need improvement and that is usually in training.
tipoc