The Ammo Boost detachable magazine drop-in kit for the Howa 1500, offered by Legacy Sports International, includes all necessary components to enhance your rifle's magazine capacity to either 5 or 10-round. This kit also provides the advantage of a detachable box magazine, facilitating rapid reloads. The Ammo Boost kit comprises two main components - (1) the magazine itself and (2) a drop-in bottom metal assembly, which replaces the rifle's trigger guard, hinged floorplate and surrounding frame. All parts are made from reinforced, injection-molded, impact-resistant polymer, ensuring durability while minimizing both weight and cost. The installation process for the Ammo Boost detachable magazine drop-in kit is straightforward and efficient. Simply remove the factory floorplate assembly and replace it with the Legacy components. Retain the original factory parts should you wish to revert the rifle to its initial configuration. Compatible kits for all short and long action Howa 1500 rifles, including Weatherby Vanguards, S&W 1500, Mossberg 1500, and Interarms 1500 models The product is designed for seamless installation, requiring minimal effort and preparation, allowing users to integrate it effortlessly into existing systems Manufactured in the United States of America