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 in long action calibers: 25-06 Remington, 270 Winchester, 30-06 Springfield.