Dewey “No Harm” Nylon Bristle Brush - Benchrest Style - .20 Cal Rifle

The Dewey “No Harm” Nylon Bristle Brush - Benchrest Style - .20 Cal Rifle is a quality bore cleaning brush designed for .20 calibre rifles and precision firearm maintenance.

This nylon bristle version is a practical choice when using stronger bore solvents, or when cleaning polished bores where shooters may prefer a non-bronze bristle option. The nylon bristles help scrub fouling and residue while being suitable for use with harsh bore cleaning chemicals.

The brush is listed as Model B-20N and uses a 5/40 male thread, making it suitable for compatible .20 calibre cleaning rods and adaptors. Its brass/bronze core construction provides strength while keeping the brush firearm-friendly for careful bore cleaning.

Suitable for .20 calibre rifles including .204 Ruger and .20 calibre wildcats where compatible, this Dewey brush is a handy accessory for routine cleaning, solvent work and general rifle maintenance.

Please note: Always confirm brush size and thread compatibility with your cleaning rod before purchase. Ensure the firearm is unloaded and safe before any cleaning or maintenance work.

Features

• Genuine Dewey “No Harm” nylon bristle brush
• Model: B-20N
• Benchrest style rifle bore brush
• Calibre: .20 cal rifle
• Suitable for .204 Ruger and .20 calibre wildcats where compatible
• Nylon bristles for bore cleaning and solvent work
• Designed for use with harsh bore solvents or polished bores
• Brass/bronze core construction
• Thread: 5/40 male
• Designed for compatible .20 calibre cleaning rods and adaptors
• Useful for removing fouling and residue from the bore
• Ideal for centrefire rifle cleaning and general firearm maintenance

Common Questions

What calibre is this Dewey nylon brush for?
This brush is designed for .20 calibre rifles, including .204 Ruger and .20 calibre wildcats where compatible.

What thread does the Dewey B-20N brush use?
The Dewey B-20N nylon rifle brush is listed with a 5/40 male thread.

Why choose nylon instead of bronze?
Nylon bristles are often preferred when using harsh bore solvents or when cleaning polished bores where a softer bristle option is desired.