HK, Magazine, 308 Winchester, 20 Rounds, Fits MR762, Polymer, BlackHeckler & Koch Factory magazines are made to H&K specifications and tolerances using high quality materials that provide perfect fit, durability and reliability. Expect these magazines to function reliably under the toughest conditions when it matters most. Features : 20 Round Capacity Polymer Body Construction Polymer Base Plate Steel Spring UPC 642230247321 Manufacturer HK Manufacturer Part # 234708S Type Magazine