So when I looked at the ARCA tri pod system they had different types of mounting systems . A mount that used a hex wrench to tighten it to a pic rail and a quick release plat that you mounted to your rifle . Some came with these some didn't . I'm an old guy and perhaps I'm set in my ways but I don't like to carry more stuff around then I had to so often I would leave this kind of thing in my truck all the time it's only been stolen once from my truck but then I had to decide what part of it I wanted to replace or what I then wanted to take in the home with me and then back to the truck every day . Not a bad thing when you are pleasure hunting but a real pain in the back side when you do it every day except maybe 15-20 days a year . I find that it's a lot of expense and that there are some people , mostly just getting started , that can't afford it just at this time in life . You also have those that will take it to pawn it . I don't have room in my garage for my work truck so it sets in my drive plus it got pretty muddy or covered in ice and snow some days that I didn't want falling off in the garage so then I didn't spend the money on things that others might want to break into my truck and take from me as well as leave me with more expense to repair the damage to my truck . I for some reason don't like to pay for something twice . Once to buy it for someone else then once to replace what someone else wanted to take from me .