SGM Tactical makes a high quality after market magazine as an alternative to expensive standard factory replacement magazines. This magazine is designed to be compatible with GLOCK 20/20SF models chambered in the popular 10mm Auto cartridge holding 30 rounds of ammunition. The magazine is made from high quality polymer and features a matte black finish. The most important aspect of this magazine is the fact that it is made by SGM Tactical who offers a manufacturers warranty on all of the magazines they produce. Features: 10mm Auto 30 Rounds Polymer Body Polymer Follower High Quality Spring Black Finish #html-body [data-pb-style="62DF8288C2946"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF8288C2952"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}