The Ncstar Vism Stock Riser with Mag Pouch is a great way to make sure you have the ammo you need to be successful at the range or on the field. It mounts to the stock with a secure laced cinch that won't come undone. It is ambidextrous, so the magazine can be placed on either side with hook and loop system. It assists in shooting with optics by giving you a tight cheek weld for optimum accuracy. For an ideal way to improve your next shoot, choose the Vism Ambidextrous Stock Riser with Magazine Pouch.