0.25g 6mm BB pellets have been designed to optimise the performance of Co2 operated Airsoft Guns, good quality BB guns with Hop Up, Shotguns, Single Shot Rifles, High end (AEG) Electric Rifles. These BB Pellets are optimised for accuracy as well as superior distance. You will be amazed just how good these BB pellets are in Airsoft! If your gun will fire 0.20G BBs then try these bad boys for extra accuracy without altering your range. All of our BB pellets are calibrated and have a smooth polished surface, with no ridges or imperfections, making our BBs the best you can buy for your 6mm Airsoft BB Gun.