Which method of mounting a red dot is right for you?
Using a pistol without a light in a holster designed for a light is probably a bad idea anyways.
A rugged clip-on night vision optic that's very easy to use.
When someone asks a store clerk for 9 mm ammunition, generally the clerk can zero in on the customer’s needs by asking a couple questions: Target or defense? OK then, 124- or 147-grain projectiles? And, away the happy customer goes with a box of cartridges.