INNER BARREL TTI-I00016.03 86mm inner barrel (compatiable with Umarex G19/Marui G19) TTI-I00026.03 97mm inner barrel (compatiable with Umarex G17/18 /Marui G17/G18) TTI-I00036.03 113mm inner barrel (compatiable with Marui Hi-Capa) TTI-I00046.03 129mm inner barrel (compatiable with AAP01) TTI-I00056.03 200mm inner barrel (compatiable with AAP01) TTI-I00066.03 303mm inner barrel (compatiable with TM VSR10 G-Spec) TTI-I00076.03 430mm inner barrel (compatiable withTM VSR10) TTI-I00086.03 120mm inner barrel (compatiable with TP22)