Cops have habits. Some good, some bad. It was not uncommon to find patrol car shotguns, which were mounted barrel upward, being used as ash trays. That’s cops. On the other hand, peace officers develop some worthwhile habits, too:

Reload your weapon everyday. Never trust that there is already a round in the chamber.
Circulate your magazines. Rounds can shift inside magazines. Check your mags and don’t keep them all loaded all the time. Magazines wear out and constant pressure means a shortened magazine life span. When carrying a holstered pistol periodically check to ensure your magazine is fully seated by pressing against the butt of the magazine. CCW holders will have to be discreet here. Watch cops when they’re standing around, they’ll keep touching the butts of their guns. The reason being that you can bump against something and inadvertently depress your magazine release button. Which means you’ll draw your weapon and get only one shot and maybe even drop your magazine.
Tap your magazines prior to loading. Before loading a magazine whack it in your hand, primer side down, to seat the rounds to the backside of the mag. This can assist in avoiding a feeding malfunction.
Check your holster snaps. If you can snap it, it can be become unsnapped without you knowing.
When trouble is near have the gun in hand but keep it to yourself. Most of the night time car stops I conducted in California were done with my gun in my hand and held beside my leg, out of view. No motorist ever seemed to notice and sometimes neither did other officers. You don’t have to wave the thing around but you can’t win a quick draw contest if its not already in your hand. By the time your eye tells your brain and your brain tells your hand, you are already too far behind to catch up.

The new book Practics Holistic Handgun is nearing its release. Interested readers can sign up for notification of the release date, pricing, and page count by leaving an email address at The Perfect Pistol Shot hit #1 shooting book in Kindle last month. That’s not bad for a book that is in its third year. Thank you.