With the ammo boost advantage, rifles can be converted to accept detachable magazines.This detachable magazine kit is easy to install and drop-in ready, so conversion can be made in a matter of minutes at home.Instructions are included with each kit which includes one polymer magazine and a conversion trigger guard.Kits for all short and long-action howa 1500 rifles also fits weatherby vanguards, s&w 1500, mossberg 1500 and interarms 1500.Caliber: 22-250 RemCapacity: 5rdFinish: BlackModel: Ammo Boost KitMaterial: PolymerType: Magazine KitModel Fit: 1500, VanguardBrand Fit: Howa/Moss/S&W/WeatherbyCapacity: 5