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 model is compatible with Remington 700 BDL rifles in short action calibers 243 Winchester 308 Winchester 7mm08 Remington.