Magpul Industries Ranger Floorplate, Fits PMAG M3, Black, 3 Pack MAG561-BLK The Magpul PMAG Ranger Plate is a floorplate replacement for the 5.56x45 PMAG AR/M4 GEN M3 magazines that incorporates an integral loop similar to the original Magpul USGI Ranger. When installed on the base of a the magazine" the PMAG Ranger Plate provides unsurpassed speed and control during high stress" tactical magazine changes. Made in U.S.A.