Modulus PlacardThe HRT Modulus Placard was designed to attach to our HRAC and RAC plate carriers or work in conjunction with Duraflex Buckle system. The modulus placard comes standard with an elastic AR magazine insert but can be replaced with any of HRTs inserts. The straps on the modulus system are height adjustable so you get the perfect length to match to HRT or existing carriers. The strap attachment system comes standard with the swift clip style buckles, but