Interesting...
Strictly talking close quarters . . . hallways, corners, even in a smaller room . . .
One probably wouldn't be using iron sights (night or plain). Can y'all imagine extending your arms to use the sights? Heck of a way to lose your gun in close quarters. Like Bill D said - learn to point shoot. A laser does help with the process. It isn't a gimmick. It's a tool. One of many.
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Simple as ABC . . . Always Be Carrying
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