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Extended holiday returns
Returnable until Jan 31, 2027 Learn more
Returnable until Jan 31, 2027 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Wednesday, Nov 18
Recently Viewed
At a glance
- Condition
- New
- Model
- 2641-20
- Weight
- 4.9 lb
- Color
- Red
- Style
- Barrel
- Power Source
- Cordless
- Wattage
- 18 watts
- In the box
- Item
Features 1
- M18 18V Lithium-Ion Cordless 10 oz. Caulk and Adhesive Gun (Tool-Only)
Specs 19
| Color | Red |
|---|---|
| Brand | Milwaukee |
| Style | Barrel |
| Item Weight | 4.9 pounds |
| Power Source | Cordless |
| Brand Name | Milwaukee |
| UPC | 045242242276 |
| Global Trade Identification Number | 76 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Manufacturer | Milwaukee |
| Manufacturer Warranty Description | Tool warranty : 5 Years |
| Model Number | 2641-20 |
| Manufacturer Part Number | 2641-20 |
| Wattage | 18 watts |
| Voltage | 18 volts |
| Compatible Material | Plastic, Metal, Rubber, Wood, Fabric, Ceramic, Foam, Glass, Cork, Leather |
| Style Name | Barrel |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Nov 18
Yes, absolutely! This item's return window has been extended for the holiday season: Returnable until Jan 31, 2027.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
NO MORE HAND CRAMPS.
I read and watched plenty of reviews on this caulk gun prior to my purchase. They were all over the place. In fact, one YouTuber said it was an overpriced and under performing tool. Well, I beg to differ. MILWAUKEE makes the best tools. Rugged…dependable…convenient. I also ordered the large 29 oz tube accessory. I have put 2 large tubes of polyurethane caulk through it without any problem. Filling sidewalk and driveway cracks is no longer the chore it used to be. PRO: plenty of power, nicely weighted and balanced, good range of caulk speed easy to change out the caulk accessory. CON: yes, it is expensive but for what you get it is worth the money. I currently own 18 Milwaukee tools and continue to dream of the other 280. It does take a little practice to know how much to trim the caulk tube tip, and adjust the speed correctly But a few times on a piece of scrap wood should be all you need. WORTH EVERY PENNY FOR THIS TOOL
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Reviewed in the United States on July 14, 2024 by James
Excellent gun!
Excellent and dependable electric caulking gun. I use a lot of different thick viscosity sealants. You can’t use a regular caulking gun to squeeze them out because they just won’t move. I tried some Chinese knock off and they worked for a little while but broke. I’ve been using Milwaukee caulking guns for 30 years and I knew better than to try something cheap. Save your money and go ahead and buy this gun. You won’t regret it.
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Reviewed in the United States on February 16, 2026 by Timothy Allred
Love Milwaukee!!
I make moss walls for a living and ordered this to use as my "glue gun." It works great! The battery is ordered needs to be longer at the base to keep the gun stable so it won't tip over. Keep that in mind. It tips over with the smaller batteries. Otherwise its a great product and I now have M18 batteries so sky's the limit on my next tool purchase. 😁
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Reviewed in the United States on January 25, 2026 by Jen Cooper
Greatest
Nothing bad to say about this it’s perfect
Reviewed in the United States on May 31, 2026 by Jonathan Lara
A little heavy a little more then I need but definitely. Last linger than the m12.
Works great, pretty interchangeblr with aftermarket accessories. but is a bit heavy and hard to one hand.. the 12 volt version is more versatile but if ur pushing automotive urethane or other really thick glue the 18 volt will reduce wear n tear on the gun. 18 volt is not needed for any of the glue I've used, and the 18volt is slower to back off (the anti drip) when u let go of the trigger. I found the 12 volt easier to use and battery life to be very similar. However my main pro here is the reduction in wear and tear. 12 volt will do 95% of the jobs tho. So if u like to one hand it go with the 12.
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Reviewed in the United States on April 3, 2025 by Anthony Sheldone
Nice even flow, but heavy and difficult to clean
Having a motorized continuous flow allows you to produce a nice, even bead of material for long runs. No need to stop moving while you get another squeeze on a manual lever. For very visible jobs, like caulking bath and shower areas, sinks, etc, that smooth, even flow and the ability to slow the speed down for control does help make a much nicer finished job. Know that with an M18 battery attached, this tool is fairly heavy, and if you are doing a large job, it can get tiring, especially if you need to hold it up high, but the larger batteries will keep it running all day. The main problem with it is cleaning. It has deep gear teeth, spring loaded slides holding the tubes, some unnecessary small radius concave curves added to the back of the piston head, and a screw on connector attaching the tube holder to the gun with small crevices. You will always have tubes that squeeze some material out the back of the tube, which oozes into the tool's piston and gears, and into the crevices around the screw threads. On short jobs I've spent more time cleaning out the tool than I did dispensing material. On very messy jobs like sealing rooftop flashing, I've sometimes bought cheaper guns to just throw them out rather than clean the asphalt tar out of the gun, and that's very much the case with this Milwaukee caulk gun, so you still get a hand cramp from a manual dispenser for many jobs where you'll leave this gun unused, which makes it less valuable than it could be.
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Reviewed in the United States on October 31, 2020 by Bruce Warrington
Speed
Takes awhile to come out
Reviewed in the United States on August 27, 2026 by Andrew Busch
milwaukee caulk gun
Received in a timely manner. Worked well as expected
Reviewed in the United States on October 10, 2026 by JP