Shop › MAG HERA H2 556 BLK 20RD MAG HERA H2 556 BLK 20RD $9.90 Hera USA Magazine, H3 Gen.2, 223 Remington/5.56NATO, 20 Rounds, Fits AR Rifles, Polymer, Black 13-12-B Quantity: Add To Cart Added! Hera USA Magazine, H3 Gen.2, 223 Remington/5.56NATO, 20 Rounds, Fits AR Rifles, Polymer, Black 13-12-B