With the Ammo Boost Advantage rifles can be converted to accept detachable magazines. This detachable magazine kit is easy to install and dropin 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 5round magazine is compatible with Howa 1500 Weatherby Vanguard Mossberg 1500 Smith Wesson 1500 and Interarms 1500 rifles in short action caliber 22250 Remington.