Alexander Arms Alexander Magazine .17hmr 10 Rounds Polymer. Dimensions 1.2 x 2.2 x 5.35 inches. Specifications for Alexander Arms Alexander Magazine .17hmr 10 Rounds Polymer: Manufacturer: Alexander Arms Color: Black Fabric/Material: Polymer Magazine Capacity: 10 Round Caliber: .17 Hornady Magnum Rimfire Number of Rounds: 10 Height: 1.2 in Package Contents: Alexander Arms Alexander Magazine .17hmr 10 Rounds Polymer The Alexander Arms Alexander Magazine .17hmr 10 Rounds Polymer is a quality addition to the Alexander Arms lineup. For more great deals on Rifle Magazines by Alexander Arms please browse our Alexander Arms Magazines page.