Power Tools
MX FUEL™ Equipment
Batteries, Chargers & Power Supplies
Site Lighting
Sewer & Drain Maintenance
Outdoor Power Equipment
Instruments
Hand Tools
Storage
Jobsite Apparel
Accessories
Safety Solutions
ONE-KEY
Support
New Pipeline
world leader in
cordless innovation
most versatile, durable
modular storage system
PACKOUT Modular Storage System

Sign Up / Log In

Where To Buy

US : : EN

Contact

  • M12™ 20oz. Aluminum Barrel Sausage Style Caulk and Adhesive Gun Kit
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • The image shows a runtime comparison for the M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with (1) 1.5Ah Battery & Charger, indicating one charge supports up to 80 sausage packs.
  • A person in a red hard hat uses a Milwaukee cordless caulking gun to seal a metal duct in a construction site. The caulking gun is capable of dispensing over 100 10 oz tubes on a single charge.
  • A person operates an M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit on a window frame. The image text states that the device supplies up to 400 lbs of thrust.
  • This image displays four different models of caulk and adhesive guns, divided into M18 and M12 categories. Each side shows a 20 oz aluminum barrel sausage style and a 10 oz gun with their respective model numbers: 2642-21CT, 2442-21, 2641-20, and 2441-20.
  • Fits all M12 batteries
  • 5 year tool warranty logo
  • M12 System
  • M12™ 20oz. Aluminum Barrel Sausage Style Caulk and Adhesive Gun Kit
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with(1) 1.5Ah Battery & Charger
  • The image shows a runtime comparison for the M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit with (1) 1.5Ah Battery & Charger, indicating one charge supports up to 80 sausage packs.
  • A person in a red hard hat uses a Milwaukee cordless caulking gun to seal a metal duct in a construction site. The caulking gun is capable of dispensing over 100 10 oz tubes on a single charge.
  • A person operates an M12 12-Volt Lithium-ion Cordless 20 oz. Aluminum Barrel Caulk and Adhesive Gun Kit on a window frame. The image text states that the device supplies up to 400 lbs of thrust.
  • This image displays four different models of caulk and adhesive guns, divided into M18 and M12 categories. Each side shows a 20 oz aluminum barrel sausage style and a 10 oz gun with their respective model numbers: 2642-21CT, 2442-21, 2641-20, and 2441-20.
  • Fits all M12 batteries
  • 5 year tool warranty logo
  • M12 System
2442-21

M12™ 20oz. Aluminum Barrel Sausage Style Caulk and Adhesive Gun Kit

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). 

Includes

M12™ 20oz. Aluminum Barrel Sausage Style Caulk and Adhesive Gun Kit

M12™ 20oz. Aluminum Barrel Sausage Style Caulk and Adhesive Gun Kit

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

You May Also Like...

497
Download Operator’s Manual

Product Specifications

Tool Warranty
5 Year Limited Warranty
Power Source
Cordless
Motor Type
Brushed
Material Composition
Aluminum
Length
16.13 in
Weight
4.9 lb
Height
8.9 in
Width
4.41 in
Battery
M12™ REDLITHIUM™
Charger
12V charger
Charge Time
30 Minutes
Battery Warranty
2 Year
Voltage
12V
Battery System
M12

© 2025 by Milwaukee Tool. All rights reserved.

Legal
Patent
Safety Notices
Your Privacy Choices
Cookie Preferences
Privacy Notice
Contact Us