The Professional Dispensing Gun 11/21 by AmeriCan Goods is used to extrude 25ml Core material cartridges
It consists of a release lever and a plunger, which are coordinated simultaneously to load and remove the cartridge.
The gun also consists of a trigger to dispense the material. Works with 11 and 21 cartridges.
Available in two styles for HP cartridges and old style cartridges.