On a budget, look at Pact chronographs. They are reliable, tough and as accurate as my Ohler. I have both and I use the Pact more often than the other one. Once I found out that the difference between them was less than the shot to shot deviation the Pact was easier to transport, supplied all the needed information, and took half the time to set up. I would recommend the Chrony but I have heard too many stories of guys putting a bullet through the brains of them and having to buy another one anyway. They are a little cheaper but not when you have to buy it over and over again.