Legacy Sports International detachable box magazine is designed to fit with Howa 1500 actions which have the ammo boost advantage floor plate or ammo boost magazine kit already installed. Always keep a spare magazine on hand either for faster reloading at the range or in the field. This magazine is a factory magazine which has been built to exacting specifications and proper tolerances to ensure excellent fit and operation. The magazine features a polymer construction with a matte black finish.Specifications and Features:Legacy Sports International ATIM10R308Detachable Box Magazine10 RoundsPolymer ConstructionMatte Black FinishFits:Howa 1500 Short Action RiflesCompatible Calibers:.243 Winchester7mm-08 Remington.308 Winchester