Replacement magazine for the Akdal MKA 1919 shotgun. A must have for those using the MKA 1919 for 3 gun competition, spare mags are always good to have for all of your guns. The magazine body-cover and follower are constructed of a proprietary DuPont Zytel based polymer to ensure a long service life; with a heat-treated steel tower insert for positive lock-in, and reliable feeding. The spring is made from heat treated Chrome-silicon wire. The magazine is designed for the use of 12-gauge, 2-3/4 inch shells.