Shooting is a perishable skill. You have to keep practicing even to maintain your skill, not just to get better. Take enough time off, and you will have ground to make up.
Dry-Fire
In another post we talk about how you should devote a lot of practice to dry-fire. It’s free to do, it’s valuable to help with many skills beyond just accuracy, including reloading, drawing from holster and more. We recommend 80% dry-fire to 20% live fire.
Live Ammo
But you still need to put time in at the range with a real bang. You should practice at the range weekly or more frequently. Bi-weekly at the least. However, we know it’s hard to find the time and ammunition is expensive. I go to the range at least once a week and spend 30 minutes on my lunch break. There are literally hundreds of drills you can do at the range and dozens of variations on each one. Having a plan before you get to the range really helps you maximize your time there.
Here is a video that suggests a range drill that uses up one box of range ammo (50 rounds) that we like a lot: