Warne Magazine Extension 5001 for PMAG 30-round magazines. +5 capacity extension for PMAG 556 30-round magazines. Ergonomic shape with finger grooves for easier insertion and magazine removal. Fits PMag 5.56-223 30-round magazines. Magazine NOT included. Not available for shipment to CA, CO, CT, DC, HI, MD, MA, NJ, NY, WA, VT.