AT-388 Dispensing GunThe AT-388 Adhesive dispensing gun comes with a 10:1 plunger.For Use With 50mL Cartridges of:AT-880Note: The AT-388 will ONLY work with the AT-880 Polypropylene Adhesive Cartridge. The AT-880 is a 10:1 mix ratio with a teardrop-shaped cartridge, which will not fit in the other Weld Mount Systems dispensing guns.