This video was hosted on Vidme, which is no longer in operation. However, you might find this video at one of these links:
Urban Sniping #10 : Using surplus LMG monopods for sniping
February 2 2017
This video covers the selection and use of surplus light machinegun monopods and mounts on sniper rifles. Sources and weapon modifications are discussed for adapting the monopods to various rifles.