Night sights on the defensive primary, flashlight for the off hand in the off chance there's time to field it. If I have to shine a flashlight on a target to identify it, I'm already toast or I'm looking for trouble when I ought to be in cover or a safe room. The three dots (esp the front) are quicker in daylight, and in mid light the tritiums are required equipment. Generally, nothing is really totally dark, but rather inconsistant. A street light down the block or a lit sign somewhere can play havoc with visual perception. If, through some extroardinary circumstance, you absolutely must traverse the dim path, your position is already known to the resident goblins who lurk, and the occasional sweep of your blinding light may give them pause and uncertainty. Without the element of surprise, they may wait for another less aware victim. You might also keep your fingers crossed.