Easily attachable and detachable from the front swivel stud. Folds forward when not in use. Underside of bipods have a swivel stud so rifle can still be used with a sling. Prone weighs only 10-1/2 oz., lighter than most competing models. Aluminum and glass-filled polymers makes bipods virtually weatherproof and rustproof. Features 18 degrees of available cant (tilt) in either direction and rotates left or right 20 degrees, without repositioning bipod legs. Adjusts from 8-3/4" to 12".