LBT is a very established name in the tactical industry and their 6094 plate carrier series. The 6094 series is a battle proven design that held against time and trials in the field. The LBT PC Mag Insert w/ Bungee Rentenion (Triple Mag / 5.56mm (M4) fits into the LBT 6094 Plate carrier series and the LBX-0300 Plate carrier series in the kangaroo pouch of the front flap, each of these expands the carry capacity of the plate carrier by holding an extra 3x 5.56mm / M4 magazine. Bungee retention and pull tabs are included for extra secure of your precious magazines.