Sitting Length Legs $129.99 Features: Perfect for sitting while shooting 16" extend to 23" (Measurements based on an average rifle, from ground level to the center of the bore) Have locking points every inch in between Ultralight Carbon Fiber Replaces Short legs in a matter of seconds Spring-loaded leg extensions Receptacles on the bottom of all legs that accept QD spikes and allow stacking of legs. (Patent Pending)