7 Best Foaming Bore Cleaner in 2025 (Updated on Apr)

Maintaining your firearm’s accuracy and longevity is crucial, and one of the key components in doing so is regular bore cleaning. Over time, the bore of your firearm accumulates residue from bullets, powder, and other debris, which can impact its performance. This is where foaming bore cleaners come into play.

Foaming bore cleaners have gained popularity among firearm enthusiasts due to their ability to deeply penetrate the bore and remove stubborn fouling that traditional solvents might miss. These cleaners are easy to use and are especially effective at breaking down and lifting copper and carbon residues, ensuring that your firearm remains in top condition.

Choosing the right foaming bore cleaner is essential for maintaining your firearm’s accuracy, preventing corrosion, and prolonging its lifespan. In this guide, we’ll explore the best foaming bore cleaners on the market, helping you make an informed decision that will keep your firearm performing at its best. Whether you’re a seasoned shooter or a beginner, understanding the benefits and proper use of these cleaners will enhance your firearm maintenance routine.

1. Shooter’s Choice MC 7 Extra Strength Bore Cleaner

Shooter's Choice MC 7 Extra Strength Bore Cleaner

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Key Features

  • Superior Cleaning Power
  • Non-Abrasive
  • Trusted by Professionals

2. BreakFree CLP Cleaner Lubricant and Preservative Gun Cleaner

BreakFree CLP Cleaner Lubricant and Preservative Gun Cleaner

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Key Features

  • Military-Grade Performance
  • Easy-to-Use Aerosol
  • Long-Lasting Lubrication

3. Thompson Center T17 Foaming Bore Cleaner

The Thompson Center T17 Foaming Bore Cleaner

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Key Features

  • Specialized for Black Powder Firearms
  • Residue-Free Finish
  • Trusted by Muzzleloader Enthusiasts

4. Wipe Out 5oz Bore Cleaner

Wipe Out 5oz Bore Cleaner

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Key Features

  • No Harsh Scrubbing Required
  • Copper and Carbon Removal
  • Safe and Non-Corrosive

5. Otis Technology Foaming Bore Cleaner

Otis Technology Foaming Bore Cleaner

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Key Features

  • Comprehensive Foaming Action
  • No Harsh Chemicals
  • Residue-Free Cleaning

6. Hoppe’s No. 9 Gun Bore Cleaner

Hoppe's No. 9 Gun Bore Cleaner

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Key Features

  • Deep Cleaning Action
  • Trusted Formula
  • Distinctive Scent

7. Gunslick Ultra Lube Gun Oil

Gunslick Ultra Lube Gun Oil

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Key Features

  • Superior Lubrication
  • Rust and Corrosion Protection
  • Non-Gumming Formula

Best Foaming Bore Cleaner

1. Shooter’s Choice Otis Technology Mc#7 Extra Strength Bore Cleaner

Shooter's Choice MC 7 Extra Strength Bore Cleaner

Quick Summary: Shooter’s Choice MC 7 Extra Strength Bore Cleaner is a top-tier choice for those who demand thorough and reliable cleaning of their firearms. Its ability to tackle tough fouling while being gentle on the bore sets it apart from many competitors. However, its strong odor and need for good ventilation during use might be minor drawbacks for some users. Despite this, its effectiveness and ease of use make it a worthy investment for any gun owner serious about maintenance.

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The Shooter’s Choice MC 7 Extra Strength Bore Cleaner is a well-regarded product for firearm enthusiasts, especially those who prioritize maintaining their firearms in peak condition. This cleaner is formulated to efficiently remove carbon, copper, lead, and powder fouling from gun barrels, ensuring that your firearm performs optimally after each cleaning session.

Key Points:

  1. Superior Cleaning Power: The MC 7 Extra Strength formula effectively removes tough residues like copper, lead, and carbon fouling, making it ideal for regular and thorough firearm maintenance.
  2. Versatile Use: This bore cleaner works well with a wide range of firearms, including rifles, shotguns, and handguns, making it a versatile addition to any gun cleaning kit.
  3. Non-Abrasive: Despite its strength, the formula is non-abrasive, meaning it cleans deeply without damaging the bore of your firearm, preserving its accuracy and lifespan.
  4. Easy Application: The 12 oz tube design is convenient for applying the cleaner directly to the bore, ensuring you can reach all areas that need cleaning without hassle.
  5. Trusted by Professionals: Many experienced shooters and gunsmiths trust Shooter’s Choice products, particularly the MC 7 formula, for maintaining their firearms in top condition.

Pros

  • Highly effective at removing carbon, lead, and copper fouling
  • Safe for regular use without damaging the bore
  • Versatile for use with various firearms
  • Non-abrasive formula preserves barrel integrity
  • Convenient tube packaging for easy application

Cons

  • Strong chemical odor may be off-putting to some users
  • Requires proper ventilation during use
  • May require multiple applications for heavily fouled bores
  • A bit pricier compared to some other bore cleaners
  • Not biodegradable, requiring careful disposal

2. BreakFree CLP Gun Cleans Lubricates Prevent Aerosol Can

BreakFree CLP Cleaner Lubricant and Preservative Gun Cleaner

Quick Summary: BreakFree CLP is an outstanding choice for those looking for an all-in-one solution for firearm maintenance. Its military-grade formula delivers reliable cleaning, lubrication, and protection, ensuring that your firearms are ready for action under any condition. The convenience of the aerosol can and the long-lasting effectiveness of the synthetic oil make this a go-to product for both professionals and casual shooters. However, the aerosol delivery and potential residue may not appeal to everyone, but the overall performance and ease of use make it a highly recommended option for comprehensive firearm care.

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The BreakFree CLP Cleaner Lubricant and Preservative is a popular choice among gun owners due to its all-in-one formula. This product combines cleaning, lubrication, and preservation into a single aerosol can, making firearm maintenance more convenient and efficient. Designed to meet the rigorous demands of military and law enforcement, BreakFree CLP ensures that firearms remain functional and protected in even the most challenging environments.

Key Points:

  1. 3-in-1 Formula: BreakFree CLP cleans, lubricates, and preserves firearms in one application, simplifying maintenance and reducing the need for multiple products.
  2. Military-Grade Performance: Originally developed for the U.S. military, this synthetic oil provides exceptional protection against wear, corrosion, and fouling, even under extreme conditions.
  3. Easy-to-Use Aerosol: The aerosol can design allows for easy and precise application, ensuring thorough coverage and penetration in hard-to-reach areas.
  4. Long-Lasting Lubrication: The synthetic oil remains effective over time, reducing friction and wear on moving parts, which helps extend the life of your firearm.
  5. Wide Temperature Range: This product performs well in a wide range of temperatures, making it suitable for use in various climates and environments.

Pros

  • Combines cleaning, lubrication, and preservation in one product
  • Proven military-grade formula
  • Effective in extreme temperatures and conditions
  • Convenient aerosol application
  • Reduces need for multiple maintenance products

Cons

  • Aerosol can may not provide as much control as liquid applicators
  • Some users may find it leaves a slight residue
  • Can be more expensive than single-purpose products
  • Strong odor during application
  • May require ventilation during use

3. Thompson Center Accessories, Foaming Bore Cleaner

The Thompson Center T17 Foaming Bore Cleaner

Quick Summary: The Thompson Center T17 Foaming Bore Cleaner is a must-have for muzzleloader and black powder firearm owners. Its foaming action is particularly effective at ensuring a thorough clean, reaching every part of the bore and removing corrosive residues left by black powder. While its use is somewhat specialized, focusing on black powder firearms, it excels in this role and significantly reduces cleaning time and effort. However, users should be prepared for potential messiness during application and consider this product primarily for its intended use. If you own a muzzleloader, this cleaner is a valuable addition to your maintenance routine.

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The Thompson Center T17 Foaming Bore Cleaner is specifically designed to clean muzzleloaders and other black powder firearms. This foaming cleaner quickly penetrates and lifts away fouling, residue, and debris, making it easier to maintain the accuracy and longevity of your firearm. The foam expands inside the bore, ensuring complete coverage and effective cleaning, particularly in hard-to-reach areas.

Key Points:

  1. Foaming Action: The unique foaming formula expands to fill the bore, providing thorough coverage and ensuring that all areas are cleaned effectively.
  2. Specialized for Black Powder Firearms: Designed specifically for muzzleloaders and black powder firearms, it efficiently removes the corrosive fouling left behind by black powder and its substitutes.
  3. Quick and Easy Application: The aerosol can design makes it easy to apply the foam directly into the bore, and the expanding action eliminates the need for excessive scrubbing.
  4. Residue-Free Finish: The cleaner leaves the bore free of residue, preparing it for immediate use or safe storage without additional steps.
  5. Trusted by Muzzleloader Enthusiasts: Thompson Center is a respected name in the muzzleloader community, and their T17 products are known for maintaining firearm performance and durability.

Pros

  • Excellent for cleaning black powder fouling
  • Expanding foam reaches all areas of the bore
  • Easy-to-use aerosol application
  • Leaves no residue, ideal for post-cleaning lubrication
  • Efficient and quick, reducing cleaning time

Cons

  • Specifically designed for muzzleloaders, less versatile for other firearms
  • Foam can be messy if not applied carefully
  • Requires careful disposal, as it’s not biodegradable
  • May not remove very heavy fouling in a single application
  • Limited to a 7 oz can, may run out quickly with frequent use

4. WIPEOUT WIPE OUT 5OZ BORE CLEANER

Wipe Out 5oz Bore Cleaner

Quick Summary: Wipe Out Bore Cleaner is an excellent choice for gun owners who want a quick and efficient cleaning process without the hassle of heavy scrubbing. Its foaming action and powerful formula make it particularly effective at breaking down stubborn residues like copper and carbon, ensuring your firearm remains in top condition. While the foam can be messy if not handled carefully, and the 5 oz can may not last through many deep cleanings, the convenience and effectiveness of Wipe Out make it a top contender for any firearm maintenance kit.

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The Wipe Out Bore Cleaner is a highly effective and innovative cleaning solution designed for gun owners who need a thorough yet effortless way to clean their firearms. Known for its easy application and powerful cleaning properties, Wipe Out uses a foaming action to break down and dissolve copper, carbon, and powder fouling in the bore, leaving it spotless without requiring extensive scrubbing.

Key Points:

  1. Foaming Action: The Wipe Out Bore Cleaner expands into a foam when applied, ensuring that the entire bore is covered and thoroughly cleaned without the need for brushes or patches.
  2. No Harsh Scrubbing Required: One of the standout features is that it significantly reduces the need for mechanical scrubbing, as the foam dissolves fouling on contact, making the cleaning process simpler and less labor-intensive.
  3. Copper and Carbon Removal: The cleaner is highly effective at removing copper, carbon, and powder fouling, which are common residues that can affect the accuracy and performance of firearms over time.
  4. Safe and Non-Corrosive: Wipe Out is designed to be safe for all firearm types, including those with delicate finishes. It is non-corrosive and won’t harm metal, wood, or synthetic materials.
  5. Residue-Free Finish: After the foam has done its job, it leaves the bore clean and free of residues, ensuring your firearm is ready for immediate use or storage.

Pros

  • Easy-to-use foaming formula covers the entire bore
  • Effective at dissolving copper, carbon, and powder fouling
  • Eliminates the need for extensive scrubbing
  • Safe for all types of firearms and finishes
  • Leaves no residue, ideal for immediate use or storage

Cons

  • The 5 oz can may not last long with frequent use
  • Foam can be messy if not applied carefully
  • Requires time to let the foam work, which might delay cleaning sessions
  • May not completely remove heavy fouling in a single application
  • Slightly higher price point compared to traditional cleaners

5. Otis Technology Foaming Bore Cleaner

Otis Technology Foaming Bore Cleaner

Quick Summary: The Otis Technology Foaming Bore Cleaner is a reliable and convenient solution for gun owners looking to maintain their firearms with minimal effort. Its foaming action ensures thorough coverage and effective removal of various types of fouling, making it a versatile addition to any gun cleaning routine. While the foam can be somewhat messy and the aerosol delivery requires careful handling, the product’s effectiveness and safety make it a strong contender for those seeking an efficient and non-corrosive bore cleaner.

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The Otis Technology Foaming Bore Cleaner is designed to provide a deep clean for a wide range of firearms, ensuring optimal performance and extending the life of your firearm. This product is known for its easy-to-use foaming formula, which expands to cover the entire bore, breaking down and lifting away fouling without the need for aggressive scrubbing.

Key Points:

  1. Comprehensive Foaming Action: The foaming formula expands inside the bore, thoroughly covering all surfaces to effectively dissolve and lift fouling, including copper, carbon, and powder residue.
  2. Versatile Use: Suitable for various types of firearms, including rifles, shotguns, and handguns, making it a versatile cleaner for any gun owner’s maintenance kit.
  3. No Harsh Chemicals: Otis Technology’s formula is designed to be non-corrosive and free of harsh chemicals, ensuring it won’t damage the bore or other firearm components.
  4. Residue-Free Cleaning: The cleaner leaves no residue behind, ensuring the bore is clean and ready for immediate use or further maintenance like lubrication.
  5. Convenient Application: The one-size aerosol can is easy to use, allowing for quick application of the foam into the bore without any mess or waste.

Pros

  • Effective at removing a wide range of fouling, including copper and carbon
  • Suitable for multiple types of firearms, offering versatility
  • Non-corrosive, safe for all firearm components
  • Leaves no residue, ideal for quick follow-up maintenance
  • Easy and convenient to apply, reducing cleaning time

Cons

  • The foam can be messy if not carefully applied
  • The aerosol can be tricky to control for precise application
  • May require a second application for heavily fouled bores
  • The one-size can might not last long with frequent use
  • Slightly higher cost compared to some traditional liquid cleaners

6. Hoppe’s No. 9 Bore Cleaner

Hoppe's No. 9 Gun Bore Cleaner

Quick Summary: Hoppe’s No. 9 Gun Bore Cleaner remains one of the most trusted and effective bore cleaners on the market. Its ability to deeply clean and remove various types of fouling makes it an essential product for any firearm owner, whether you’re a seasoned shooter or a beginner. The strong scent and fumes are something to be mindful of, especially in enclosed spaces, but its cleaning power and long-standing reputation more than compensate for these minor drawbacks. This product is a must-have for anyone serious about maintaining their firearms in peak condition.

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Hoppe’s No. 9 Gun Bore Cleaner is a legendary product in the firearms community, trusted for over a century to keep firearms in top working condition. Renowned for its potent cleaning power and distinctive scent, this solvent effectively removes powder, lead, metal fouling, and rust, ensuring that your firearm remains accurate and reliable.

Key Points:

  1. Trusted Formula: Hoppe’s No. 9 has been a staple in gun cleaning for generations, known for its consistent and reliable performance in removing fouling from all types of firearms.
  2. Versatile Use: This bore cleaner works on a wide range of firearms, including rifles, shotguns, pistols, and revolvers, making it a versatile product for any gun owner.
  3. Deep Cleaning Action: The solvent penetrates deep into the bore, dissolving and lifting powder, lead, and metal fouling, which helps maintain the accuracy and performance of the firearm.
  4. Easy to Use: The 16 oz. bottle provides ample cleaning solution and is designed for easy application with a cleaning patch or brush, ensuring a thorough clean with minimal effort.
  5. Distinctive Scent: While the scent is strong and easily recognizable, it’s a hallmark of the product and beloved by many gun enthusiasts as part of the traditional gun cleaning experience.

Pros

  • Highly effective at removing powder, lead, and metal fouling
  • Trusted and reliable formula with a long history of use
  • Suitable for all types of firearms
  • Large 16 oz. bottle offers great value for frequent use
  • Easy to apply with patches or brushes

Cons

  • Strong chemical odor that some may find unpleasant
  • Requires proper ventilation due to fumes
  • May take multiple applications for heavily fouled bores
  • Not biodegradable, requiring careful disposal
  • Can be harsh on skin; gloves are recommended

7. Gunslick 85004 Foaming Bore Cleaner

Gunslick Ultra Lube Gun Oil

Quick Summary: Gunslick Ultra Lube Gun Oil is an excellent choice for those who want reliable, high-quality lubrication and protection for their firearms. Its superior lubricating properties and rust protection ensure that your firearms operate smoothly and remain in top condition over time. The easy-to-use pump bottle allows for precise application, though care is needed to avoid dispensing too much oil. While the 4 oz size may be on the smaller side, its effectiveness and versatility make it a worthwhile addition to any gun maintenance routine.

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The Gunslick Ultra Lube Gun Oil is a high-performance lubricant designed to protect and enhance the operation of your firearms. Known for its superior lubricating properties, this oil ensures that moving parts function smoothly, reducing wear and tear and preventing rust and corrosion. The 4 oz pump bottle is convenient for precise application, making it easy to maintain your firearms efficiently.

Key Points:

  1. Superior Lubrication: Gunslick Ultra Lube provides exceptional lubrication, reducing friction between moving parts, which helps to prolong the life of your firearm.
  2. Rust and Corrosion Protection: The oil creates a protective barrier that prevents moisture from causing rust and corrosion, ensuring that your firearm remains in top condition even in harsh environments.
  3. Easy Application: The 4 oz pump bottle design allows for controlled and precise application, minimizing waste and ensuring that the oil reaches all critical areas.
  4. Non-Gumming Formula: This gun oil is formulated to resist gumming and thickening, maintaining consistent performance across a wide range of temperatures and conditions.
  5. Multi-Purpose Use: While primarily designed for firearms, Gunslick Ultra Lube is also suitable for other metal surfaces and mechanisms, making it a versatile addition to any maintenance kit.

Pros

  • Excellent lubrication reduces friction and wear
  • Effective rust and corrosion protection
  • Non-gumming formula ensures consistent performance
  • Easy and precise application with pump bottle
  • Versatile use for firearms and other metal surfaces

Cons

  • 4 oz size might run out quickly with frequent use
  • Pump bottle can sometimes dispense more oil than needed
  • Slightly more expensive than some basic gun oils
  • Oil can be messy if not applied carefully
  • May require reapplication in extremely wet conditions

Factors to Consider When Choosing the Best Foaming Bore Cleaner

Selecting the right foaming bore cleaner for your firearm is crucial for effective maintenance and ensuring optimal performance. Here are the key factors you should consider:

1. Compatibility with Firearm Type

  • Rifles, Shotguns, and Handguns: Different firearms have unique bore sizes and fouling types. Ensure that the bore cleaner you choose is suitable for the specific type of firearm you own. Some cleaners are designed for specific calibers, while others are versatile across various firearm types.
  • Material Sensitivity: Some bore cleaners are formulated for specific materials like stainless steel, chrome-lined barrels, or carbon steel. Check if the cleaner is safe for your firearm’s materials.

2. Cleaning Effectiveness

  • Fouling Removal: The primary purpose of a bore cleaner is to remove fouling such as carbon, copper, lead, and powder residue. Look for cleaners with proven effectiveness in dissolving these deposits. Some products are better at targeting specific types of fouling, so consider your firearm’s needs.
  • Penetration Ability: A good foaming bore cleaner should deeply penetrate the bore, reaching into the rifling to lift and remove fouling. The foaming action is designed to expand and fill the bore, ensuring comprehensive cleaning.

3. Ease of Use

  • Application Method: Consider how easy the cleaner is to apply. Foaming bore cleaners typically come in spray cans or bottles with applicator tips. A convenient application method can save time and reduce the mess associated with bore cleaning.
  • Dwell Time: Check the recommended time the cleaner needs to sit in the bore before it can be removed. A shorter dwell time might be preferable for quick cleaning sessions, while longer times could indicate more thorough cleaning.

4. Safety and Environmental Impact

  • Non-Toxic Formulas: If you are concerned about exposure to harsh chemicals, opt for a bore cleaner that is non-toxic and free of harmful solvents. These cleaners are safer for both the user and the environment.
  • Biodegradable Options: Environmentally-conscious shooters may prefer biodegradable bore cleaners, which break down naturally without leaving harmful residues.

5. Residue and Finish

  • Residue-Free: After cleaning, some bore cleaners can leave behind a residue that needs to be wiped away. Choose a cleaner that either evaporates completely or leaves minimal residue to reduce the need for additional cleaning steps.
  • Impact on Finish: Some bore cleaners may affect the finish of your firearm if not used correctly. Ensure the cleaner is safe for all finishes on your firearm, especially if you have a custom or delicate finish.

6. Odor and Fumes

  • Low Odor: Bore cleaners with strong odors can be unpleasant to use, especially in enclosed spaces. If you are sensitive to strong smells, look for a low-odor or odorless formula.
  • Ventilation Requirements: Some cleaners emit fumes that require good ventilation. Consider this if you plan to clean your firearm indoors or in a poorly ventilated area.

7. Price vs. Quality

  • Cost-Effectiveness: While more expensive products often offer superior cleaning performance, there are also budget-friendly options that provide good results. Evaluate the cleaner’s price relative to its performance and the amount of cleaner you get per bottle.
  • Longevity of the Product: Consider how long a single can or bottle of cleaner will last. A product that requires only a small amount per use may offer better long-term value, even if the upfront cost is higher.

8. Brand Reputation and Reviews

  • Customer Feedback: Read reviews and testimonials from other firearm owners to gauge the effectiveness and reliability of the bore cleaner. Trusted brands with positive reviews are often safer bets.
  • Manufacturer’s Guarantee: Some companies offer satisfaction guarantees or warranties on their products. This can provide additional peace of mind when trying out a new bore cleaner.

Conclusion

Foaming bore cleaners have revolutionized firearm maintenance by providing a convenient and effective solution for deep cleaning the bore. By choosing the right cleaner, you can ensure that your firearm remains accurate, reliable, and protected from the damaging effects of fouling and corrosion. Whether you’re an experienced shooter or new to firearm care, understanding how to select and use a foaming bore cleaner is essential for maintaining your firearm’s performance.

Remember to consider factors such as compatibility, effectiveness, and environmental impact when selecting a bore cleaner, and don’t hesitate to try different products to find the one that best suits your needs. Regular and proper cleaning with a quality foaming bore cleaner will not only enhance your shooting experience but also extend the life of your firearm, making it a valuable part of your maintenance routine.

Can foaming bore cleaners be used on all types of firearms?

Yes, foaming bore cleaners are generally designed to be versatile and can be used on a wide range of firearms, including rifles, shotguns, and handguns. However, it’s essential to check the product’s label to ensure compatibility with your specific firearm type and caliber. Some cleaners are specially formulated for certain materials or bore sizes, so verifying this can prevent potential damage to your firearm.

How often should I clean my firearm with a foaming bore cleaner?

The frequency of cleaning with a foaming bore cleaner depends on how often you use your firearm and the type of ammunition you use. For regular use, cleaning after every shooting session is advisable to prevent the build-up of fouling. However, for firearms that are used less frequently, cleaning after every few uses or periodically during storage may suffice. If you notice accuracy issues or visible fouling, it’s a sign that cleaning is needed.

Are foaming bore cleaners safe for the environment?

Many modern foaming bore cleaners are formulated with environmental safety in mind. Non-toxic, biodegradable options are available that minimize harm to the environment while still providing effective cleaning. Always check the product specifications for information on environmental impact, and opt for cleaners that meet your ecological preferences if this is a concern.

What should I do if the bore cleaner doesn’t fully remove the fouling?

If a foaming bore cleaner does not fully remove the fouling, consider reapplying the cleaner and allowing it to sit for a longer period. Stubborn fouling, such as copper deposits, may require multiple applications or the use of a specialized copper remover. Additionally, using a bore brush in conjunction with the foaming cleaner can help dislodge more persistent residues.

Can I use a foaming bore cleaner in combination with other cleaning products?

Yes, foaming bore cleaners can be used in combination with other cleaning products, but it’s important to use them in the correct order and ensure they are compatible. For instance, after using a foaming cleaner, you might follow up with a traditional solvent or lubricant to ensure complete cleaning and protection. Always rinse or wipe the bore thoroughly between different products to avoid chemical reactions or residue build-up.

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James

I'm an passionate gun cleaning expert from NY US. My goal is to save you time by doing the leg work for you and putting all the essential information in one location to be confident about the cleaning your gun.