How to Zero Your Red Dot Sight on a Handgun/Pistol with the Double Shoot app

Zero your optics on a handgun, and train to become a more professional shooter.
Use the Double Shoot app to make your handgun accurate in a very simple way.
Challenge yourself with our Black Diamond Target.
The Double Shoot app features include the following:
* Quickly and easily zero your sights and save money on ammo.
* Save your shooting sessions, see your hits, stats, averages, and performance over time,
* Compete against your friends and peers with challenges.
* Immediately share your results with friends and family on social media.
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