The arrow points to a hardened steel pin that goes through the sling swivel stud on the gun. Tightening the knob below tightens the entire assembly.
M.Werks,LLC-F-TR-Bipod-(sling-swivel-attachment))
The arrow points to a hardened steel pin that goes through the sling swivel stud on the gun. Tightening the knob below tightens the entire assembly.