Best 3 Oz. Grease Gun (6 Factors Have to Consider)

Published on: February 21, 2022
Written by David Rowan / Fact-checked by Eric Devin

Are you trying to lubricate your machinery or vehicle with your hands? Or do your machines break down after consistent use? If this happens to you, then you need 3 oz. Grease gun to apply lubricant to machinery parts without making waste. Because without proper lubrication on the moving parts, the machinery parts become dry and can’t survive for long.

best 3 oz. grease gun (6 factors have to consider)

A good grease gun is a widely used tool not only in a garage or workshop but in many industries, including automotive, construction, and agriculture, even great for DIY projects. It allows you to pump the right dose of grease to any moving part in measured quantities to the required areas.

However, with lots of available varieties, how do you tell the best from the rest? Luckily for you, we made a list of the 3 Oz Grease guns here. In this guide, we have come up with 3 oz. Grease gun with an essential buying guide to ensure you get the best one that suits your needs.

1. Lumax (Lx-1172) Black Mini-Pistol Grip Grease Gun

  • Hydraulic coupler;
  • Hydraulic coupler;
  • Loads bulk or cartridge;
  • Ergonomic designed t-handle; 
  • 4-inch straight extension pipe;
  • Non-drip cap;
  • Contoured lever;
  • Two ways of loading are by using cartridges or bulk.

The first 3 oz grease gun on our list is Lumax (lx-1172). This black mini-pistol grip grease gun is small, compact, and lightweight, making it perfect for reaching tough-to-reach places. It is also ideal for the automotive industry, instrumental industry, RV applications, and farm applications. The high-quality plastic and steel products have a unique, heavy-duty, cast-alloy head, which made them quite durable to last for a long time.

With a capacity to hold 3 ounces or 85 grams of grease at a time, it is plenty enough for any project. Its good pistol-grip design makes it suitable and convenient to use in one-hand operation, especially when applying lubricants to objects. You can load it in two ways – by bulk and by the cartridge, which increases this product’s versatility.  

The contoured lever develops more pressure in this grease gun. So it is capable of doing better, and the results you get are the expected ones. It has a 4-inch extension pipe that distributes the grease evenly and is not disconnected suddenly while working. There is a non-drip seal on the hydraulic couple to prevent any leaks.


  • Compact and lightweight;
  • Sturdy and durable;
  • Budget-friendly;
  • Positive and comfortable grip;
  • The pistol-style grip provides one-hand operation for easy greasing;
  • Non-drip seal on hydraulic coupler to prevent leakage;
  • An extensive 4-inch extension pipe for hard-to-reach areas;
  • Comes with 3 Oz Pack of grease cartridges;
  • Ideal for a handyman, automotive, industrial, farm, and RV applications.


  • Not suitable for the long term.

2. Legacy (L1305) Workforce Mini Grease Gun

  • Loaded with 3 oz. Cartridge; 
  • 12 inches flexible grease hose;
  • 4 inches straight extensions pipe;
  • Four strong steel jaws;
  • Chrome finished.

Legacy (l1305) workforce mini grease gun is a multi-purpose accessible but affordable chosen one by thousands. This model is compatible with those who need manual high-quality and durable, heavy-duty grease guns to do heavy work in the garage. The metal look and steel design and a heavy-duty die-cast head construction improve its longevity and reliability.

The model also has a fully flexible 12-inch extension hose coupled with another 4-inch rigid one. Which makes it a highly maneuverable and suitable device for easy access in any way you want and distributes the grease evenly in the lubricated spots where it is hard to reach with other grease guns.

This model comes with a 4-jaw connector for a firm grip at high pressure and can use for a range of tasks by withstanding long-term use. For consistent priming, it has durable rods and springs, and construction followers.

Finally, its chrome finish is for longevity and extended period of usage, and quickly loading standard 3 Oz cartridges makes it user-friendly to handle most projects without any difficulty.


  • Durable and sturdy;
  • Easy to use;
  • Flexible and rigid extension;
  • Easy access;
  • Consistent output;
  • Flexible and stable extensions for greasing hard-to-reach segments.


  • No instructions.

3. KTI (KTI73930) 3 Oz. Mini Pistol Grease Gun

  • 3,500 PSI rating;
  • 4″ steel straight extension pipe;
  • 3 oz. cartridge;
  • 4″ steel extension coupler.

The KTI (KTI73930) 3 Oz mini pistol grease gun is a good option for those buyers who want something high-quality, and effective, but moderately priced. It delivers fantastic performance with its 3 Oz cartridge, and a 3,500 psi rating makes it suitable and entirely sufficient for most buyers.

It features a 4″ steel straight extension pipe and coupler that makes it easier to reach tight spaces. Its dual discharge ports with an excellent pull-type pistol mechanism design make it easier to squeeze every drop of grease comfortably in one hand out of the reservoir. Moreover, the dual discharge ports also added convenience to users.


  • Lightweight design;
  • Reliable PSI rating;
  • Dual discharge ports for added convenience;
  • Ensures maneuverability;
  • One-year warranty on the material;
  • Pistol grip ensures positive one-hand operation.


  • No cons.

4. Mercury Quicksilver (91-74057Q5) 2-4-C Marine Grease with PTFE 3 Oz Grease Gun

  • The USA-made tube;
  • Spring-loaded pump action gun;
  • Comes with 3 Oz 2-4-c lube cartridge;
  • Develops up to psi 5000;
  • Flexible pressure tube with integral zero steel coupler.

If you’re looking for an effective grease gun for general use lubricant in steering system cables, throttle & shift cables, remote controls, prop shaft, and swivel pins, then the mercury quicksilver (91-74057q5) 2-4-c marine grease with PTFE 3oz grease gun is for you.

The Quicksilver brand is the leading supplier of mercury marine original equipment and works to serve all authentic equipment brands in the marine and power sports industries. It has earned loyalty in the market by providing the

The highest quality products are tested in all outboards, outdrives, trailers, and rigorous environments testing procedures.

By offering high performance, their (91-74057q5) 3oz grease gun is durable enough to withstand extreme conditions. Heavy-duty follower spring allows you to use it for non-stop hours. It also comes with high-quality, extremely versatile lithium-based 2-4-C marine grease with PTFE. In terms of pressure, this grease gun has a flexible pressure tube with an integral zero steel coupler, which can deliver up to 5000 psi, which is pretty cool for its size.


  • Lightweight and easy to use; 
  • Durable and compact;
  • Heavy-duty follower spring allows continuous pumping action;
  • High-quality, extremely versatile lithium-based grease;
  • The flexible hose gets into tight places;
  • Easily use in trailer wheel bearings;
  • Easily mixed with water;
  • Suitable for steering system cables, throttle & shift cables, remote controls, prop shaft, and swivel pins.


  • Has to improve quality.

5. Mercury Quicksilver (91-74057Q5) Outdoor & Repair Store 3 Oz Grease Gun

  • The USA-made tube;
  • Spring-loaded pump action gun;
  • 2-4-c lube cartridge;
  • Psi 5000 ratings;
  • Capacity (oz.): 3 ounces.

Another product from the quicksilver manufacturer is a mercury (91-74057Q5) outdoor & repair store 3oz grease gun. It is the same as the previous one on our list, but it is from the hardware & outdoor brand. All the features make this one favorite lubrication gun among both DIY and professionals. 2-4-C marine lubricant tube and 74057Q5 cartridge gun make this one an excellent combo for general lubricant applications. Moreover, this NLGI 2 lithium-based grease won’t break down when mixed with water.


  • Convenient to use;
  • A pistol grip makes the work easier;
  • Smooth pumping mechanism;
  • Easy access to almost any grease fitting;
  • Convenient handling.


  • Tiny size.

6. HORUSDY 2900 PSI Mini Pistol Grip Grease Gun

  • Chrome-plated finish;
  • Pistol grip;
  • Vented head cap;
  • Positive lock for easy filling;
  • Weight 1.2 pounds.

This is a pleasant little grease gun. It’s a touch challenging to disengage from the grease fittings until you get the hang of it. I might recommend this to anyone. I prefer the worth and therefore the extra Attachments, and I like those that are little and easy to use. Works excellent with the lawnmower. Easy to assemble and use because the directions on the package stated. You’ll definitely save a bundle compared with what a garage will charge you.

The cartridge is 3oz, and this is often a cartridge-type gun, including a three-piece accessory kit: steel hose with coupler, steel extension hose, 9″ flex hose, and nozzle.


  • Inexpensive;
  • Handy;
  • Works great.


  • Incomplete guideline.

Types of Grease Guns

A variety of grease guns are available in the market. All are different from others and are designed to serve different purposes. The most common types available in the market are given below-

Lever Grease Gun (Manual)

This is the most available and popular type of manual pump grease gun in the market. Just pulling the lever, creates pressure inside the gun to dispense the gun’s necessary amount of grease. This widely-used type has no trigger mechanism but requires double-hand performance to operate it. It uses a manual lever to pull or push the lever to load the grease gun and to pump the grease out of the gun by hand. Also known as a hand pump lever gun or lever-action grease gun.

Read more: A Guide for Best Dripless Caulking Guns

Pistol Grip Grease Gun (Manual)

Pistol grip grease guns or trigger mechanism hand-powered grease guns are commonly used worldwide because of their user-friendly design. These tools’ unique lineament is that you can apply grease with just one hand, just like a pistol, instead of engaging both of your hands. So that you can keep the other hand open to performing different functions. Manual pistol grip grease gun handles are available in various sizes.

So you can select according to your necessity and can comfortably hold and operate it by quickly pointing the nozzle in place. The common thing about these grease guns is they can deliver up to 0.86 grams per trigger pull. It can be used in DIY projects and domestic and commercial applications.

Hand Pump or Hand Grip Grease Gun (Pneumatic) 

There is a lever on the top of the gun that you need to operate. It is a little bit hard to manage because when you push the pump, the grease is forced to come out by building up air pressure through the pump set on the top of the tool. It is challenging for a beginner to correctly position the grease gun with this operation manner, making it less favorable. Also known as handheld grease guns or pump-type grease guns.

Pneumatic or Air Powered Grease Gun

As the name suggests, these grease pumps apply grease using compressed air to a hose to force out the lubricant through the nozzle. They’re robust, suitable, and more reliable for commercial use. Usually, these things are quite expensive. If you are a professional, only you should buy them because a lack of experience or operating alone can damage bearing shields and seals.

Cordless Grease Gun

Cordless or battery-powered grease guns are powered by batteries that give more freedom of movement, more comfortable work, and precision. For this reason, it becomes the most popular among users. Because of their power source, you don’t have to depend on your hands to force out the lubricant.

Power sources provide all the power, which saves you from putting much pressure manually. This battery-powered, low-voltage, and rechargeable or replaceable grease gun has 6,000 and 10,000 high and consistent pressure output.

Factors to Consider

When shopping around for 3 Oz grease guns for your project, besides different types of grease guns, there are many factors that you must keep in mind. Therefore, in this section, we will give you a guideline on selecting a tool that best suits your needs.

Purpose of the Gun

First and foremost, you’ve to define your purpose and usage, ensuring you find the perfect grease gun for your project. It also helps you to don’t overspend on your purchase. For this, you have to do some research on your behalf. If you are a professional, a heavy-duty grease gun will be reliable and durable daily. Whereas, a low-tier or mid-tier lubricating grease gun is suitable for DIY or homework.

Ease of Use

When it comes to ease of use and convenience, you won’t understand this tool’s importance until you work with a grease gun. How easy is it to use or handle? How user-friendly is it, or how convenient it is? All these questions’ answer depends on your work pattern.

For business or heavy equipment work, you can buy electric grease guns. It can be battery-powered guns or mini grease guns for light work or to lubricate your DIY equipment.

See more: Choosing the Best Nail Guns for Trim Work

Amount of Lubrication

When buying grease guns, you need to consider the quantity of lubricant you need to apply for the job purpose. If it is for professional use, then high amounts of grease are required for smooth running. For regular jobs or DIY work for home or light-duty applications, then a low quantity of lubricants indeed fits your needs.

Ergonomic Design

Contingent upon the undertaking type, you will utilize the smaller-than-usual oil gun unit for a seriously long length. Consequently, having an ergonomic plan for the gun is fundamental; if not, your hand may feel exhausted for quite a while. Likewise, an ergonomic little oil gun will guarantee agreeable use, and speedy and exact application on a superficial level easily.

The Power

The strain yield of an oil gun is communicated as PSI (pounds per square inch). Typically, this is from 3000 PSI to 10000 PSI or more. Assuming the PSI is excessively low, it would not be reasonable for huge material. Therefore, pick the right PSI considering the parts you will grease.


Since you will be adding miniature oil firearms for standard use, you should make sure that your gadget is strong and sturdy. When examining the form nature of firearms, you should check to see if it spreads as you go through the bag to Greece. The spillage-resistant oil weapon comes with a metal barrel, tight-fitting barrel head, high-quality seal, and a stiff unlocker.

Quick Solutions by Editor

People’s minds are full of questions & curiosity. Similarly, grease gun users, mostly new, have lots of questions popping up in their minds. Here are a few most asked questions, and their answers are given below-

What’s A Grease Gun?

A grease gun is just a regular workshop tool that people use to apply lubricant on mechanical parts required for a DIY project, garages, and workshops or maintenance.

What Lubricant Will Be the Most Appropriate for A Grease Gun?

Of course, it’s grease. When buying a grease gun, always try to select a dedicated grease gun with a high-quality specific kind of lubricant. The benefit of using high-quality specific lubricant types is that it doesn’t leak away as oil does.

What Is A 3 Oz Grease Gun?

Those types of mini grease guns with 3 Oz cartridges and most of them are entirely battery-powered are known as 3 Oz Grease guns.

How Do Grease Guns Work?

As the name suggests, grease guns use pressure loaded with a grease cartridge to project lubricant onto the desired surfaces. Once you pull the trigger or lever, the grease comes out from the cylinder or cartridge directly to the precision point.


You can’t imagine a garage or workshop without a good grease gun. The appropriate grease guns lubricate the moving parts of your machinery and other equipment and improve the optimal performance of your work, that is, the ability to do plenty of tasks.

Well, there are many options available, but choosing the right one which will suit your needs is no easy feat. But by following the above reviews and guidelines on 3 Oz grease guns, we now hope that you can easily select the best one based on your preference.

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About This Writer

david rowan author

Hello, I am David Rowan. I am a professional contractor with 10 years of experience in home building, different tools used, construction, home remodeling, and other home improvement work. I have already built many custom homes and continued to do several woodworking projects along with how to deal with all categories of tools.

Hello, I am David Rowan. I am a professional contractor with 10 years of experience in home building, different tools used, construction, home remodeling, and other home improvement work. I have already built many custom homes and continued to do several woodworking projects along with how to deal with all categories of tools.

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