I use the following tools to hone my skills, get plenty of practice, and save bucks on ammo. Using these tools helps reinforce your skills without the negative effects of recoil. Once you go to the range, the only ‘new’ thing is the recoil. I do not receive any compensation for the following products.
Mantis Laser Academy Laser Academy | Dry Fire Laser Training System | Mantis
Mantis X3 Mantis X3 | Dry Fire Training System | Mantis
There are also tons of videos on YouTube from good instructors on basic and advanced techniques.