The Essential Tool for Precision Firearms: Kleen-Bore M16B Military Style Bore Brush for .223 Rem/5.56 NATO Rifles

For any owner of an AR-15, M16, or any rifle chambered in .223 Remington or 5.56x45mm NATO, maintaining a clean bore is not just a recommendation; it's a fundamental requirement for preserving accuracy, ensuring reliability, and extending the lifespan of your valuable firearm. From competitive shooters seeking fractional improvements in grouping to dedicated enthusiasts and professionals who demand flawless function, the condition of your rifle's bore directly impacts performance. This is precisely where specialized tools like the Kleen-Bore M16B Military Style Bore Brush become indispensable.

Why invest in a high-quality bore brush? Imagine carbon residue, copper fouling, and gunpowder byproducts accumulating inside your rifle's barrel, layer upon layer. This buildup acts as an abrasive, degrades rifling, and creates inconsistencies that lead to reduced accuracy and potential malfunctions. A precision-engineered bore brush is designed to effectively strip away these harmful deposits without damaging the delicate lands and grooves of your barrel. The Kleen-Bore M16B, specifically tailored for .223 Rem and 5.56 NATO rifles, stands out as a purpose-built solution for these critical tasks.

Understanding the Kleen-Bore M16B: Engineered for Superior Cleaning

The Kleen-Bore M16B Military Style Bore Brush is not just any cleaning brush; it's a testament to Kleen-Bore's legacy of producing robust, effective firearm cleaning tools. Its design incorporates specific features that cater to the demanding needs of modern sporting rifles and military platforms.

Key Feature: High-Grade Phosphor Bronze Bristles

One of the most critical components of any bore brush is its bristle material. The Kleen-Bore M16B utilizes phosphor bronze bristles, a meticulously chosen alloy that offers a perfect balance of aggressiveness and barrel safety.

• Effective Fouling Removal: Phosphor bronze is stiff enough to aggressively scrub away stubborn carbon buildup, lead deposits, and copper fouling that adheres to the bore's surface after firing. Unlike softer materials, it ensures a thorough cleaning with fewer passes.
• Barrel-Safe Design: Crucially, phosphor bronze is softer than barrel steel. This means that while it’s tough on fouling, it will not scratch, mar, or damage the precision rifling of your firearm's bore. This is a vital consideration for maintaining accuracy and barrel longevity.
• Chemical Resistance: These bristles are highly resistant to common firearm cleaning solvents, ensuring the brush maintains its integrity and effectiveness over many uses. They won't degrade or dissolve when exposed to bore cleaners, unlike some synthetic materials.
• Durability and Longevity: The robust nature of phosphor bronze ensures that the brush retains its shape and cleaning power over time, providing a reliable tool for countless cleaning sessions.

In contrast, brushes made of stainless steel can potentially damage barrel steel, especially in precision firearms, while nylon or plastic brushes may not provide sufficient scrubbing power for heavy fouling. Phosphor bronze is widely regarded by gunsmiths and firearm enthusiasts as the optimal material for bore brushes due to its superior performance and safety profile.

Key Feature: Military Standard #8-36 Thread Pattern

The thread pattern of a bore brush is crucial for secure attachment to cleaning rods. The Kleen-Bore M16B features the Military #8-36 thread.

• Universal Compatibility: This is a widely recognized and standardized thread pattern for firearm cleaning accessories, particularly for military and sporting rifles. This ensures that the M16B brush will seamlessly connect with most standard cleaning rods, jags, and accessories already in your cleaning kit, preventing frustrating compatibility issues.
• Secure Connection: A precise thread fit ensures that the brush remains firmly attached to the cleaning rod during the entire cleaning process. This eliminates wobbling, prevents the brush from detaching inside the bore, and allows for consistent, efficient cleaning strokes. A loose brush can lead to ineffective cleaning and potential damage to the brush or bore.
• Designed for Rigor: The "Military Style" designation extends to this thread standard, signifying a design built for demanding use and reliable performance in the field or at the range.

Key Feature: Optimized for .233 Rem and 5.56x45mm NATO Rifles

Precision bore cleaning requires a brush that is perfectly sized for the specific caliber. The Kleen-Bore M16B is engineered to provide a snug fit within the bores of .223 Remington and 5.56x45mm NATO rifles.

• Maximized Contact: A correctly sized brush ensures maximum contact with the bore's internal surface, allowing the phosphor bronze bristles to effectively engage with and remove fouling from both the lands and grooves of the rifling.
• Thorough Cleaning: An undersized brush will not adequately clean the bore, leaving behind deposits. An oversized brush can be difficult to push through the bore and may cause undue strain on your cleaning rod or the brush itself. The M16B provides the ideal fit for these popular rifle calibers.
• Addressing the Caliber Question: While .223 Remington and 5.56x45mm NATO cartridges have slightly different chamber dimensions and pressure ratings, their bore diameters are virtually identical for cleaning purposes, making this brush perfectly suitable for both.

Beyond the Brush: A Comprehensive Guide to Rifle Bore Cleaning

Having the right tool is the first step; knowing how to use it effectively is the next. Understanding the fundamentals of bore cleaning will maximize the benefits of your Kleen-Bore M16B brush.

How Often Should You Clean Your Rifle Bore?

There's no one-size-fits-all answer, as it depends on factors like:

• Usage Frequency: After every range trip is ideal, especially if you've fired many rounds or used corrosive ammunition.
• Ammunition Type: Some ammunition leaves more residue than others.
• Desired Accuracy: For competitive shooting, cleaning after every significant firing session (e.g., 50-100 rounds) is common. For general plinking, every 200-500 rounds might suffice, but inspect your bore regularly.
• Storage: Always clean before long-term storage to prevent corrosion.

The Step-by-Step Process for Effective Bore Cleaning:

1. Safety First: Always, always ensure your firearm is unloaded and cleared. Remove the magazine, check the chamber visually and physically.
2. Disassemble: Field strip your rifle as per the manufacturer's instructions to allow access to the bore from the breech end. This prevents cleaning solvents and debris from entering the action.
3. Apply Bore Cleaner: Apply a quality bore solvent to the Kleen-Bore M16B brush. Ensure the bristles are thoroughly wetted.
4. Insert from Breech End: Always push the brush through the bore from the chamber (breech) end towards the muzzle. This prevents wear and damage to the delicate crown of the barrel, which is crucial for accuracy.
5. Push, Don't Pull (or Minimal Pull): Push the brush completely out of the muzzle before pulling it back. If possible, remove the brush from the rod and pull the rod back through, then reattach the brush and push it through again. This prevents reversing the brush in the bore, which can cause bristles to fold over and trap abrasive particles, potentially damaging the rifling. However, for some rifle setups (like AR-15s with fixed stocks), completely removing the brush might be impractical. In such cases, a smooth, continuous push-and-pull motion is acceptable, but ensure the brush exits the muzzle completely before reversing direction.
6. Repeat: Make several passes (e.g., 5-10 times) with the brush to loosen stubborn fouling.
7. Patching: After brushing, remove the brush and attach a cleaning jag with a clean patch. Push the patch through the bore from breech to muzzle. Repeat with fresh patches until they come out clean.
8. Final Touches: Apply a light coat of high-quality gun oil or rust preventative to the bore using a clean, lightly oiled patch. Reassemble your firearm.

Common Bore Cleaning Pitfalls to Avoid:

• Cleaning from the Muzzle: This is a common mistake that can damage the barrel crown, leading to a significant loss of accuracy.
• Using the Wrong Size Brush: An ill-fitting brush will be ineffective or potentially damaging.
• Skipping the Solvent: Solvents are crucial for breaking down fouling before brushing.
• Ignoring the Chamber: While the bore brush focuses on the barrel, remember to clean the chamber and locking lugs as well, as carbon can build up there and affect reliability.

Who Benefits Most from the Kleen-Bore M16B?

The design and capabilities of the Kleen-Bore M16B Military Style Bore Brush make it an ideal choice for a wide range of firearm owners:

• AR-15 and M16/M4 Platform Owners: This brush is specifically designed for the widely popular .223 Rem/5.56 NATO caliber, making it a must-have for the millions of individuals who own and operate these rifles.
• Competitive Shooters: Maintaining a pristine bore is critical for achieving consistent accuracy. The M16B helps ensure your rifle performs at its peak.
• Hunters: Reliability and accuracy are paramount in the field. A clean bore means a dependable shot when it counts.
• Law Enforcement and Military Personnel: For personal firearm maintenance, a durable and effective cleaning tool like the M16B is essential for duty readiness.
• Firearms Enthusiasts and Collectors: Anyone who values their firearms and understands the importance of proper maintenance to preserve their investment and ensure optimal function will appreciate the quality of the Kleen-Bore M16B.

The Kleen-Bore Advantage: A Legacy of Quality Cleaning

Kleen-Bore has been a trusted name in firearm cleaning since 1957, building a reputation for producing high-quality, purpose-built tools that stand up to the rigors of regular use. Their commitment to specialized cleaning solutions means you're investing in a product designed by experts who understand the nuances of firearm maintenance. Choosing Kleen-Bore means choosing reliability, effectiveness, and a long-standing tradition of excellence in gun care. This commitment to quality is evident in every brush they produce, including the M16B.

Ensuring Peak Performance: The Long-Term Benefits of Proper Bore Care

The regular use of a high-quality bore brush like the Kleen-Bore M16B contributes significantly to several long-term benefits for your rifle:

• Sustained Accuracy: Fouling directly degrades accuracy. By consistently removing these deposits, you help your rifle maintain its original precision and consistency, ensuring your shots land where you aim.
• Extended Firearm Lifespan: Carbon and copper buildup can cause premature wear on your barrel's rifling, leading to "bore erosion." Regular, proper cleaning prevents this, significantly extending the usable life of your firearm.
• Preventing Malfunctions: Excessive fouling can interfere with bullet seating, gas system operation in semi-automatics, and overall firearm mechanics, leading to malfunctions like failures to feed, extract, or cycle. A clean bore and chamber minimize these risks.
• Preserved Resale Value: A well-maintained firearm with a clean, undamaged bore will retain its value much better than one neglected.

Frequently Asked Questions About Bore Brushes and Rifle Cleaning

Q: Can I over-clean my bore with a phosphor bronze brush?
A: While it's theoretically possible to cause wear with excessive, improper cleaning techniques, using a phosphor bronze brush like the Kleen-Bore M16B correctly (from the breech, minimal reversing) is very unlikely to damage your steel bore. Phosphor bronze is softer than barrel steel. The wear from firing hundreds or thousands of rounds is far more significant than the wear from proper brushing.

Q: What's the difference between a bore brush and a bore snake?
A: A bore snake is a convenient, single-pass cleaning tool, excellent for quick field cleaning or between serious sessions. It combines a brush section, a swab, and a pull cord. A bore brush, like the Kleen-Bore M16B, provides a more aggressive and targeted scrubbing action, especially when used with a rigid cleaning rod, making it superior for removing heavy fouling. It's best to use both: the brush for deep cleaning, and the snake for quick touch-ups.

Q: How do I know when to replace my bore brush?
A: Inspect your brush regularly. When the bristles become splayed, bent, or visibly worn down, or if you notice that cleaning efficacy is diminishing, it's time for a replacement. A worn brush won't effectively remove fouling.

Q: Is the Kleen-Bore M16B compatible with all cleaning rods?
A: The Kleen-Bore M16B features the Military #8-36 thread pattern, which is a very common and standardized size for rifle cleaning accessories. It will be compatible with the vast majority of cleaning rods designed for rifle use.

Your Trusted Source for Kleen-Bore Products

For firearm owners seeking the reliability and effectiveness of Kleen-Bore cleaning solutions, including the essential Kleen-Bore M16B Military Style Bore Brush, look no further than DEGuns.com. As a dedicated provider of quality firearms and accessories, DEGuns offers a comprehensive selection to meet all your shooting and maintenance needs.

Product Specifications

Feature	Detail
Brand	Kleen-Bore
Series	Bore Brush
Model	Military Style
Caliber	.223 Cal
Gun Type	Rifle
Thread Pattern	#8-36
Bristle Type	Phosphor Bronze
SKU	123700
UPC	026249000953
MPN	M16B