Have you seen the price of ammo lately? The Mantis X system is absolutely worth the investment. Not only does this improve your shooting, it improves your shooting with your pistol and your rifle. Dry Fire, Live Fire, CO2. Any time, any where. You can even set up leader board to compete against your friends.
Divide the cost of one round you shoot into the price of $249. to see how many rounds you need to shoot to break even. At $0.33 per round, if you shoot 750 rounds at the range, you just paid for your Mantis. Plus you can go live fire with the Mantis.