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Proshot

Pro Shot .223-Caliber/5.5mm Military Style Nylon Chamber Brush

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Ar-15 Use

In .223-caliber/5.5mm chambers

Heavy-duty Nylon

Solvents and oils

Nylon Bristles

Resist ammonia and oil-based cleaners

Brass Core

Wound coupling add strength and

Fits Standard

American cleaning rods with #8-32

$6.99
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SKU: 223NCH-709779900534

Overview

Built for routine maintenance of AR-15 platforms, this chamber brush is intended for shooters who want a dedicated cleaning tool for .223-caliber/5.5mm chambers. The heavy-duty nylon bristles are designed to work with solvents and oils, while the brass core and wound coupling add strength to the brush construction. It also uses standard #8-32 threads, making it compatible with standard American cleaning rods that use the same thread pattern. For hunters and range users who keep a rifle in regular service, it offers a straightforward, purpose-specific cleaning option without unnecessary extras.

Why Hunters Choose the Proshot

Ar-15 Cleaning

Needs

Hd Nylon

Bristles resist solvents, oils, ammonia,

Heavy-duty Brass

Core and wound coupling add

Fits Standard

American cleaning rods with #8-32

Made Usa

USA-made components

Key Features

  • Designed for AR-15 use in .223-caliber/5.5mm chambers.
  • Heavy-duty nylon bristles are intended for use with solvents and oils.
  • Nylon bristles resist ammonia and oil-based cleaners.
  • Brass core and wound coupling add strength and durability.
  • Fits standard American cleaning rods with #8-32 threads.
  • Made in the USA with USA-made components and assembly.

Best Used For

  • AR-15 owners needing a .223/5.5mm chamber brush for routine cleaning
  • Shooters using standard American cleaning rods with #8-32 threads
  • Users who clean with solvents, oils, or ammonia-based cleaners
  • Hunters and range shooters wanting a stiff nylon chamber brush for maintenance

Specifications

Ammonia ResistanceYes
Assembled In UsaYes
Bristle MaterialNylon
Brush StyleMilitary Style Nylon Chamber Brush
Caliber0.223-Caliber/5.5mm
Components OriginUSA made components
Core MaterialBrass
Coupling ConstructionWound through the brush coupling for added strength and durability
Fits Standard Cleaning RodYes
Heavy DutyYes
Made In UsaYes
Oil Based Cleaner ResistanceYes
Solvent ResistanceHD nylon bristles won't deteriorate when used with solvents or oils
Stiff BristlesYes
Thread Size#8-32

Pros

  • Designed specifically for AR-15 cleaning needs
  • HD nylon bristles resist solvents, oils, ammonia, and oil-based cleaners
  • Heavy-duty brass core and wound coupling add strength and durability
  • Fits standard American cleaning rods with #8-32 threads
  • Made in the USA with USA-made components

Considerations & Trade-offs

  • Sized for .223/5.5mm chambers, so it’s a caliber-specific cleaning accessory rather than a general-purpose brush.
  • The nylon bristles are designed to resist solvents, oils, ammonia, and oil-based cleaners, but nylon is still a different choice than a metal-bristle brush for users who prefer a more aggressive scrub.
  • It uses standard American cleaning-rod #8-32 threads, so compatibility depends on having the matching rod setup.
  • This is a chamber brush only, so it covers one part of the cleaning routine rather than a complete bore-cleaning solution.

Suggested Comparisons

  • AR-15 cleaning brushes
  • Chamber cleaning tools
  • Nylon bore and chamber brushes
  • Firearm cleaning accessories

Suggested Accessories

  • Cleaning rod
  • Gun cleaning solvent
  • Bore mop
  • Patch holder

Frequently Asked Questions

What firearm is this chamber brush intended for?

It is described as a .223-caliber/5.5mm military style nylon chamber brush made specifically for the AR-15.

What type of bristles does it use?

It uses heavy-duty stiff nylon bristles.

Will the bristles hold up to cleaning solvents and oils?

The product description says the HD nylon bristles won’t deteriorate when used with solvents or oils, and that the nylon bristles resist ammonia and oil-based cleaners.

What thread pattern does this brush use?

It has #8-32 threads and fits a standard American cleaning rod with #8-32 threads.

Where is this brush made?

The product information states that Pro Shot products are proudly made in the USA of USA-made components and assembled in the USA.