If you are in the market for the best barrel nut grease, you have come to the right place. In this article, we will provide you with an in-depth review of the top products on the market, so that you can make an informed decision when purchasing. We will also provide you with a buyer’s guide, so that you know what to look for in a quality product.

Comparison Chart Of Barrel Nut Grease
# | Image | Title | Rating | Price |
---|---|---|---|---|
1 | ![]() | Umbrella Corporation AeroShell 33MS / 64 Gun Grease .5oz / Mil-Spec for Barrel Nut Thread | 4.93 | Buy on Amazon |
2 | ![]() | Umbrella Corporation AeroShell 33MS/64 Grease 1 oz | 4.93 | Buy on Amazon |
3 | ![]() | AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC Barrel Nut Thread Grease, 2 oz Jar | 4.86 | Buy on Amazon |
4 | ![]() | Unisport Aeroshell 33MS/64 .5oz Mil-Spec Barell Nut Thread Grease | 4.8 | Buy on Amazon |
5 | ![]() | MicroLubrol 33MS MIL-SPEC Barrel Nut Lithium Moly Synthetic Rifle Gun Grease 1 oz (28 Grams), Compare to AEROSHELL | 4.88 | Buy on Amazon |
6 | ![]() | 4 oz AEROSHELL 64 Formerly 33MS Lithium Moly Synthetic MIL-SPEC Barrel Nut Thread Grease | 4.86 | Buy on Amazon |
Factors To Consider When Choosing The Right Barrel Nut Grease
There are a few things you should take into account before purchasing the best barrel nut grease.
First, consider what type of firearm you will be using the grease on.
Second, think about the climate conditions in which you will be using the grease.
Finally, choose a grease that is durable and easy to apply.
Top 6 Barrel Nut Grease List
1. Umbrella Corporation AeroShell 33MS / 64 Gun
If you are installing an upper receiver or barrel nut on your firearm, you will need to use a high quality lubricant. Our lube is specifically designed for use on firearms and exercise equipment, and it is also good for hinges, reels, ball bearings, and bicycle gears. Our portable .
88oz jar (.5oz grease) is perfect for applying our lubricant with just the tip of your pinky finger. Our lubricant is made to perform under extreme pressure and heat, preventing damage to your firearm.

Things We Like:
- -High quality lube
- -Good for a variety of applications
- -Standards with exceptional anti-corrosion and anti-wear performance
- -Portable .88oz jar (.5oz grease)
- -Made to perform under extreme pressure and heat
2. Umbrella Corporation AeroShell 33MS/64 Grease 1 oz
Aeroshell 64 gun grease is the perfect choice for those who build multiple firearms and barreling projects. It is high quality and is good for any number of applications, hinges, cogs, rods, reels, ball bearings, bicycle gears, and even telescope mounts.
The MIL-SPEC MIL-G-21164D barrel nut assembly on AR platform upper receiver threads ensures that the gun grease will perform under extreme pressure and heat, preventing damage.

Things We Like:
- -Larger size for more advanced enthusiasts
- -Good quality lube
- -Excels in anti-corrosion and anti-wear performance
- -Made to perform under extreme pressure and heat
3. AEROSHELL 64 / 33MS Moly Synthetic MIL-SPEC
This is an enhanced anti-wear and corrosion resistant grease that is fully approved to MIL-G-21164D. It will help prevent the aluminum upper from welding itself to the steel barrel nut under the extreme heat and pressure of use.

Things We Like:
- -Prevents thread galling
- -Fully approved to MIL-G-21164D
- -Improved anti-wear and corrosion resistance over AeroShell Grease 17
- -Prevents the aluminum upper from welding itself to the steel barrel nut under the extreme heat and pressure of use
- -Approved for AR 15 rifle builds
4. Unisport Aeroshell 33MS/64 .5oz Mil-Spec Barell Nut
If you’re looking for a premium quality gun grease that will provide protection against corrosion and rust, then the Aeroshell 64 / Aeroshell 33 MS gun grease is the perfect option for you. Made with MIL-SPEC certification, this grease is ideal for use in builds on AR platform upper receivers. Additionally, its high temp performance makes it perfect for use in extreme situations.

Things We Like:
- -Made with high quality lubricant
- -Premium protection against corrosion and rust
- -MIL-SPEC for use on AR platform upper receiver threads
- -Hightemp performance
- -Ideal for builds
5. MicroLubrol 33MS MIL-SPEC Barrel Nut Lithium Moly
The AS 33MS is a synthetic oil base with lithium thickener and 5% true mil-grade molybdenum disulfide (moly). It has extreme pressure performance to prevent thread galling and excellent anti-wear and corrosion resistance. It fully meets MIL-G-21164D.

Things We Like:
- -Formulated to rival AS 33MS in composition and performance
- -Extreme pressure performance to prevent thread galling
- -Excellent anti-wear and corrosion resistance
- -Fully meets MIL-G-21164D
6. 4 oz AEROSHELL 64 Formerly 33MS Lithium
If you’re looking for an AR15 rifle build that will be reliable and keep your weapon in good condition, you’ll want to consider using AeroShell’s Grease 17. This grease is fully approved by MIL-G-21164D and will keep your upper and barrel from welding themselves together, as well as prevent thread galling.
In addition, Grease 17 is known for its anti-wear and corrosion resistance. So, whether you’re planning on shooting your rifle often or just want to keep it in pristine condition, AeroShell Grease 17 is the perfect choice.

Things We Like:
- -Prevents the aluminum upper from welding itself to the steel barrel nut under the extreme heat and pressure of use
- -Prevents thread galling
- -Fully approved to MIL-G-21164D -Improved anti-wear and corrosion resistance over AeroShell Grease 17
The Best Way to Use Barrel Nut Grease
Barrel Nut Grease is a light, penetrating oil that is perfect for use on barrel nuts and other metal parts that require regular lubrication. It is compatible with a wide range of oils and grease metals and is water soluble for easy cleanup.
Frequently Asked Questions
What Makes A Perfect Barrel Nut Grease?
There are a few things that make a perfect barrel nut grease. The main ingredients should be a high quality oil and a fatty acid. The oil should be chosen for its ability to resist corrosion and the fatty acid should provide a good lubricant. Other ingredients can be added to adjust the properties of the grease, but these are the main two.
What Is The Best Price For A Barrel Nut Grease?
There is no definitive answer to this question as prices for barrel nut grease vary greatly depending on the brand and type of grease. Some of the more affordable brands of barrel nut grease may cost less than $5 per bottle, while some of the more expensive brands may cost upwards of $30 per bottle. It is important to match the price of the barrel nut grease to the budget of the buyer in order to find the best deal.
What Are Some Things To Remember When Using A Barrel Nut Grease?
When using a barrel nut grease, it is important to keep in mind the following: -Apply the grease to the barrel nut before tightening the nut. -Use a torque wrench to tighten the nut to the specified torque. -Do not over-tighten the nut. -Do not use oil or gas to tighten the nut.
How Do I Know If My Barrel Nut Grease Has A Warranty?
Barrel nut grease typically comes with a one-year warranty.
How To Clean A Barrel Nut Grease?
Barrel nut grease can be cleaned with a degreaser and a brush.
Final Verdict
Overall, the best barrel nut grease reviews found that this product was effective in preventing rust and preserving the barrel nut. Other reviewers appreciated the easy to use packaging and the low price of this product.