New for 2021 -The Schmeisser S60 .223/5.56 60 Round AR-15 Magazine WITH WINDOW! – American Tactical has partnered with German arms manufacturer Schmeisser GmbH to exclusively import and distribute the Schmeisser S60 60 round AR-15 magazine. Made from glass reinforced polymer this patent pending magazine features a unique follower system that allows for double capacity from a normal AR magazine without being bulky or cumbersome. Designed to shoot both .223 REM & 5.56X45MM the Schmeisser S60 will give you an instant capacity upgrade over the standard AR mag at an affordable price for your AR Carbine or Pistol. – Now featuring a clear polymer window and a last round bolt hold open integrated in the follower (Upgrade from Gen 1) – Made in Germany