State Capacity Restriction:This product can't be shipped to California, Colorado, Connecticut, District of Columbia, Hawaii, Maryland, Massachusetts, New Jersey, New York, Vermont due to magazine capacity restrictions. For more details see our shipping restrictions page. However, if you are LE or Active Military please contact us for further assistance.
ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.