Engineered using our proven coil magazine technology, which allows side by side staging of ammo in a single stack. The streamlined design allows for no separation of ammunition during function, preventing malfunctions and lending to it’s compact design. Our patent pending tension relief device allows the X-14 to operate nearly unlimited spring loads, allowing it to function in weapons with capabilities 850 rounds per minute. The profile is shorter than a standard 30 round. Magazine easily loads and unloads by operating the front operating wheel. Magazine includes a lifetime warranty and instruction manual. Mag Tower In Accordance With USGI Drawing 7790181. Note: Magazine will fit all M1A M14 rifles with modified and non modified chassis except the JAE M1A/M14 Sniper Stock and Archangel stocks.