The Accu-Tac B4 simply adjusts for height and uneven surfaces. The legs are very simple to deploy; basically pull them out and adjust the angle to the liking. The pull-to-unlock operate is perfect for a industry bipod, Specially one that has spike ft. The Accu-Tac bipod provides a QD mount https://riflescopes48056.ampedpages.com/facts-about-bipods-revealed-59305326