One-Size Fits All Compatible with any plate carrier with hook and loop surfaces including the K-Zero Plate Carrier, Sub-Zero Plate Carrier, and K19 Plate Carrier (2.0 and 3.0 versions) with the MOLLE back flap add-on. Patented feature allows you to switch between velcro flaps, quick release buckles, or FirstSpear TubesA(R) quickly and easily, on both sides. Each side features three versatile cells that can securely hold 5.56 and 7.62 magazines and other gear such as radios, tourniquets, smoke grenades, flashbangs, and more. Features two external MOLLE columns, so you can customize your setup exactly how you like.