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.This 5-round model is compatible with howa 1500, weatherby vanguard, mossberg 1500, smith & wesson 1500, and interarms 1500 rifles in long action calibers: 25-06 remington, 270 winchester, 30-06 springfield.Caliber: 270 WinCapacity: 5rdFinish: BlackModel: Ammo Boost KitMaterial: PolymerType: Magazine KitModel Fit: 1500, VanguardBrand Fit: Howa/Moss/S&W/WeatherbyCapacity: 5