The Echo1 Spring Return bipod with RIS Adapter and M14 adapter is the bipod for players on the move. This bipod adjusts easily up and down because it's spring loaded. You do not have to hassle with adjusting it before taking the shot. It folds right up into the closed position, when time is of the essence, and it always is, you need fast reliable gear that won't leave you hanging. This bipod comes complete with a RIS adapter which means its ready to go on just about any type of Echo1.