Metabo-HPT HPT-AC18DAQ4M 18V MultiVolt High-Capacity Caulking Gun (Tool Only)


The Pro Preferred Brand of Pneumatic Nailers introduces an addition to our cordless range with a 18V MultiVolt Cordless High-Capacity Caulking Gun (model AC18DAQ4). Dispensing caulk and other adhesives has gone to another level. Use this cordless caulking gun to dispense up to 165 (10oz) tubes of caulk or other adhesives with one single charge. With a maximum dispensing force of 674 lbs., and a variable speed dial and trigger, you can rest assured that no job will to be too difficult to complete. For those bigger jobs, simply replace the 10oz tube holder on the tool with our 29oz tube holder (Optional Accessory) or the 20oz sausage style holder (Optional Accessory).

The AC18DAQ4 18V Cordless Caulking Gun is a part of the expanding MultiVolt System of 18-Volt and 36-Volt power tools from Metabo HPT. GO lighter with 18V batteries or GO longer with the unique MultiVolt battery that works on both 18V and 36V tools to double your runtime for up to 8.0Ah of runtime per charge for more power on the GO.


  • ANTI DRIP FUNCTION: Prevents unwanted dripping when trigger is released 
  • OPTIMAL SPEED: Variable speed dial and trigger 
  • LONG LASTING: Dispense up to 165 (10oz) tubes with 18V 2.0Ah battery
  • UPSIDE DOWN REST POSITION: Allows for easy pick-up during use
  • BUILT IN LED LIGHT: Illuminates work areas when used in low light conditions 
  • LIGHTWEIGHT: At 4.4lbs and well balanced for less user fatigue
  • TOOL-LESS PISTON CHANGE: Easy to switch to a different tube holder 
  • VERSATILITY: Optional holders available for varying applications, 29 oz tube holder set (378613M) and 20 oz sausage style holder set (378712M) sold separately 
  • WARRANTY: 2-Year Tool Body