Milwaukee MIL-2442-21 M12 20oz Aluminum Sausage Style Caulking Gun


The M12 Caulk and Adhesive Gun is the lightest, most compact cordless powered caulk gun on the market today.  With up to 400 lbs. of pushing force the M12 Caulk Gun easily dispenses everyday construction sealants and adhesives.  The combination Variable Speed Trigger and Max-Speed dial allow for total application speed control.  The 360 degree Rotating Collar delivers maximum control around turns. The tool also features auto-reversing anti-drip, a seal puncture tool and durable hang hook for versatility on the job.  Powered by the revolutionary M12 REDLITHIUM Battery, the M12 Caulk Gun will dispense up to 150 10oz. tubes of building sealant on one charge. This configuration is designed to work with 20oz. sausage pack style material containers.  Milwaukee also offers accessory conversion kits to change to 10oz. cartridges (48-08-0900) and Quart cartridges (48-08-0910). 


  • Easily dispenses over 100 10 oz. tubes on a single charge
  • Features a rotational speed dial and variable-speed trigger
  • Part of the M12 System, featuring over 70 tools
  • Supplies up to 400 lbs. of thrust
  • Aluminum barrel makes tool lightweight
  • Plunger has built-in hook for quick storage
  • Includes seal puncture tool
  • 10 oz. and quart adapters sold separately
  • Compatible with all M12 batteries
  • Compatible with all M12 chargers


  • (1) 12V 20 oz Aluminum Barrel Sausage Conversion Kit(48-08-0905)
  • (1) M12 Lithium-ion Battery Charger (48-59-2401)
  • (1) M12 REDLITHIUM CP1.5 Battery Pack(48-11-2401)


  • Tool Warranty: 5 Year Limited Warranty
  • Power Source: Cordless
  • Length: 16-1/8 "
  • Weight: 4.9 lbs
  • Battery: M12 REDLITHIUM
  • Charger: 12V charger
  • Charge Time: 30 Minutes
  • Battery Warranty: 2 Year
  • Battery System: M12