Tiger Rock Rifle Shell Stock Holder 13 Rounds Matte Black. It stretches to comfortably fit stocks roughly 2" to 4.5" in height. It securely holds most common rifle calibers incl. 7.62x54 .223 etc. Specifications for Tiger Rock .223/7.62x54mm Rifle Shell Stock Holder: Manufacturer: Tiger Rock Color: Black Finish: Matte Fabric/Material: High Quality Elastic Nylon Number of Rounds: 13 Hand: Ambidextrous Gun Model: Universal Quantity: 1 Gun Make: Universal Gun Type: Rifle Package Contents: Tiger Rock .223/7.62x54mm Rifle Shell Stock Holder Tiger Rock SH013: Rifle Shell Stock Holder 13 Rounds Matte Black