Hera USA, Magazine, H3 Gen.2, 223 Remington/5.56NATO, 30 Rounds, Fits AR Rifles, Polymer, Black Color:Black They've managed to give you

They've managed to give you two plus (2+) extra rounds compared to the standard AR-15 magazine

Pass through muzzle design for threaded barrels

Powder-Coated Frame

Expandable Vertically or Horizontally

Hera USA, Magazine, H3 Gen.2, 223 Remington/5.56NATO, 30 Rounds, Fits AR Rifles, Polymer, Black Color:Black They've managed to give youThe HERA H3T Gen 2 magazines feature a transparent frame allowing you to quickly check your round count. Constructed of high impact reinforced polymer with superior springs, you can expect superb function from HERA magazines. 30 Round Capacity Polymer Body Construction Steel Spring Polymer Base Plate Transparent Frame