Thinking about building a 600 yard gun. I am new to this scene and was trying to get some info from you experienced shooters. First of all I need some input on calibers to research. I reload but was looking for a standard caliber since I have no experience with making my own brass and fireforming. As soon as I decide on what caliber I will be back to ask questions about components, and gunsmiths. Any input from you guys is greatly appreciated. Thanks in advance from this NEWB!