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Glocks are used by many Police Depts because of their reputation of keep-on-firing.. every time. And in drop tests from a 10 story to sidewalk, (LAPD test report) the only damage besides scratches was a slight dent in the front sight, and it fired every time when tested after each drop. And their "no hammer" designs are considered a great safety feature as well by the LAPD.
Myself, I'm a Sig lover, cause I like the same reliability that Sig carries along with Glocks, but I like the option of going from double-action to single-action which can set a tone in the eyes and ears of whoever is at the end of the gun by the cocking of the/a hammer. It's all personal touch and feel, like a great pair of shoes, a must fit.
LS