Magpul MAG285-BLK PMAG Minus Limiter 5.56x45mm 5rd Compatible w/ PMAG AR/M4 GEN M3 Mags Black Polymer/ 3 Per Pack $13.25
Magpul MAG567-BLK GL L-Plate Made of Polymer w/ Over Molded Rubber & Black Finish for PMAG 17 GL9/15 GL9 Magazines $18.95