Magpul GL L-Plate PMAG GL9 Floorplate Replacement (Pack of 3) Fits the PMAG 17 Gl9 and PMAG 15 Gl9 Made of durable reinforced polymer with a rubber overmold Designed to aid in seating of the magazine into extended magazine wells and to provide positive traction and impact protection without unnecessary bulk Installs easily without tools in place of the original PMAG floor plate Made in USA