Red Devil 3989 Extreme Duty Caulk Gun
Red Devil 3989 Extreme Duty Caulk Gun
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Red Devil

Red Devil 3989 Extreme Duty Caulk Gun

|9 ratings

Key item features

  • High Thrust Ratio: 26:1 thrust ratio provides 950 pounds of force for heavy-duty applications.
  • Revolving Barrel: Features a revolving barrel for easy and precise application.
  • No Drip Feature: Equipped with a no drip feature to prevent messes during use.
  • Seal Punch Included: Comes with a built-in seal puncture tool for convenience.
  • Ergonomic Design: Ergonomic rubber trigger and push release for better comfort and grip.
  • Standard Cartridge Compatibility: Holds 1/10 gallon barrel, compatible with most standard cartridges.
  • Heavy Duty Use: Ideal for thick materials and high viscosity substances like hybrid adhesives and epoxies.
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Current price is $26.25
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Sold by Complete Supply
Fulfilled by Walmart
4.511111111111111 stars out of 5, based on 135 seller reviews(4.5)
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About this item

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4.8 out of 5 stars
stars9 ratings6 reviews
How item rating is calculated
  1. 5 stars78% (7)
  2. 4 stars22% (2)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
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Showing 1-3 of 6 reviews

Aug 29, 2025
chris
Sold byComplete SupplyDelivered byWalmart
5 out of 5 stars review

Verified Purchase

high viscosity gun

I got this to put the back window in my convertible with high viscosity urethane and it works great sturdy and easy to use and much cheaper than others I would definitely recommend this.

Incentivized Review
Helpful?10BC12OSDZG0680784334
Feb 6, 2025
amy
Top Reviewer
Sold and shipped bySignificant Services
5 out of 5 stars review

Verified Purchase

I needed this for some window sealant. The cheap caulk gun i had killed my hand after trying to squeeze it all day. This stuff was hard to apply. This helped soo much.

Incentivized Review
Helpful?10BC12OSDZG0680784334
Mar 21, 2026
Sapo
Sold byComplete SupplyDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Sturdy and good quality

Easy to use, very sturdy and applies caulk smoothly and good grip

Incentivized Review
Helpful?10BC12OSDZG0680784334