The Accu-Tac B4 simply adjusts for height and uneven surfaces. The legs are quite simple to deploy; merely pull them out and alter the angle to the liking. The pull-to-unlock purpose is perfect for a discipline bipod, especially one that has spike toes. Try to look for swivel and tilt https://johnnyyoket.thezenweb.com/examine-this-report-on-bipods-70172042