Constructed of a durable, yet lightweight polymer, the Kel-Tec® PF9 One-Round Extension is a genuine factory magazine accessory, designed to deliver increased firepower, improved ergonomics, and enhanced durability in concealed carry and personal defense applications. The drop-in design is a direct floor plate replacement, offering quick installation and removal for field-ready field performance right out of the box. Better yet, like all Kel-Tec products, this one-round magazine extension is 100% American-made and backed by Kel-Tec's legendary lifetime warranty for exceptional quality and lasting field performance you can depend on. Order now! Made in USA.