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Brownells

Special Line'(TM) Brass Core Rimfire Bore Brushes - Special Line Brush, Brass, .20 Caliber Rimfire, 3 Pack

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

.20 Caliber

Rimfire bore brush, sold in

Phosphor Bronze

Bristles for scrubbing

Brass Shank

No-scratch brass coupling

One-piece Looped

Wound brass shank construction

Overall Length:

3.27 inches (8.3 cm)

$8.99
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SKU: 084405021

Overview

Built for careful bore maintenance, this brush is intended for shooters who want a cleaning tool that helps reduce the risk of scratching the barrel during routine upkeep. Its brass shank and no-scratch brass coupling are paired with phosphor bronze bristles for thorough scrubbing, making it a practical choice for maintaining a .20 caliber rimfire rifle. The three-pack format is useful for keeping spares on hand or dedicating one brush to a specific cleaning task. It is a straightforward, specialized option for owners who prioritize a gentler cleaning setup over a standard brush design.

Why Hunters Choose the Brownells

Brass Shank

No-scratch brass coupling help reduce

Phosphor Bronze

Bristles provide hard-scrubbing cleaning action

One-piece Looped

Wound shank construction is specified

Sized .20

Caliber rimfire cleaning applications

Three-pack Offers

Multiple brushes in one purchase

Key Features

  • .20 caliber rimfire bore brush, sold in a 3-pack
  • Phosphor bronze bristles for scrubbing
  • Brass shank and no-scratch brass coupling
  • One-piece looped and wound brass shank construction
  • Overall length: 3.27 inches (8.3 cm)

Best Used For

  • Hunters cleaning .20 caliber rimfire barrels who want a no-scratch brush option
  • Owners of tack-driving rifles needing careful bore cleaning between range sessions
  • Users maintaining valuable barrels where brass shank and coupling matter
  • Shooters wanting a three-pack for routine cleaning and replacement

Specifications

BristlesPhosphor bronze
Caliber.20 Caliber Rimfire
CouplingBrass
Overall Length3.27 in (8.3 cm)
Pack Quantity3 Pack
ShankBrass, looped and wound

Pros

  • Brass shank and no-scratch brass coupling help reduce barrel contact concerns.
  • Phosphor bronze bristles provide hard-scrubbing cleaning action.
  • One-piece looped and wound shank construction is specified.
  • Sized for .20 caliber rimfire cleaning applications.
  • Three-pack offers multiple brushes in one purchase.

Considerations & Trade-offs

  • Designed for .20 caliber rimfire use, so it is not a universal brush for other bore sizes or firearm types.
  • The brass shank and no-scratch brass coupling are intended to reduce the chance of bore scratching, but that also means this is a specialized cleaning brush rather than a general-purpose tool.
  • The 3-pack format is practical for ongoing maintenance, though it may be more than needed for occasional cleaning.
  • The phosphor bronze bristles are described as hard-scrubbing, which supports thorough cleaning but may be more aggressive than softer brush options.

Suggested Comparisons

  • Rimfire bore brushes
  • Bronze bore brushes
  • Gun cleaning brush sets

Suggested Accessories

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

Frequently Asked Questions

What caliber is this bore brush made for?

This Special Line brush is listed for .20 caliber rimfire.

What comes in the package?

The product is a 3 pack.

What materials are specified for the brush?

The source lists phosphor bronze bristles and a brass shank with a no-scratch brass coupling.

Is this brush designed to help avoid scratching the bore?

Yes. The description says the brass shank and brass coupling are intended to reduce the chance of scratching the barrel during cleaning.

What size or thread information is provided?

The long description gives an overall length of 3.27 inches (8.3 cm) and notes that .17 and .20 caliber brushes use 5-40 threads.