AMMO BOOST FLOOR PLATE REMINGTON 700 SA Legacy Sports Remington 700 BDL Ammo Boost Floor Plate, Short Action. Convert your Remington 700 BDL short action rifle to accept a detachable mag with this magazine floorplate from Legacy Sports. Made from tough polymer, this floor plate assembly includes the magazine release and is designed for the Ammo Boost Advantage magazine. Fits Remington 700 BDL short action rifles only. This drop-in floor plate upgrade is easy to install. Made in the U.S.A.