The Milwaukee M18465-600 Caulking Gun Conversion Kit converts the 2642-21 battery caulking gun to use a 465 ml tube that hold sausage packs.

Includes a Gear Rack, Clear Plastic Barrel, Premium Metal Front Ring Cap and T-Handle.

End user will use plunger from the 2642-21 for use on the conversion kit gear rack.

2642-21 gun not included.