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Brownells

12 Gauge Double-Up Brush & Mop Cleaning System - Double-Up Cotton Mop 12 Gauge 3 Pack

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

Dual-action Cleaning

System for 12 gauge shotguns

Includes One

Bore brush and one ultra

Brush Mop

Screw together for one-step bore

Can Be

Doubled up in either order

Fits 12

Gauge shotgun bores

$15.99
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SKU: 084424001

Overview

Built for 12 gauge shotgun maintenance, this dual-action cleaning system combines a bore brush and an absorbent cotton mop that screw together for a single pass through the bore. It is intended for hunters and shotgun owners who want a straightforward way to handle routine cleaning without assembling separate tools for each step. The system can also be configured with additional mops or brushes if a more thorough cleaning pass is needed. Because it is specific to 12 gauge shotguns, it is a focused maintenance accessory rather than a universal cleaning kit.

Why Hunters Choose the Brownells

Dual-action System

Combines a bore brush and

12 Gauge

Shotguns

Brush Mop

Screw together for one-step bore

Can Be

Another brush or mop for

Includes 3-pack

Of cotton mops

Key Features

  • Dual-action cleaning system for 12 gauge shotguns
  • Includes one bore brush and one ultra absorbent cotton mop
  • Brush and mop screw together for one-step bore cleaning
  • Can be doubled up in either order for added cleaning passes
  • Fits 12 gauge shotgun bores
  • Available with bronze or nylon brush options

Best Used For

  • 12 gauge shotgun owners wanting a simple one-step bore cleaning setup
  • Hunters maintaining shotguns between range sessions and field use
  • Users who prefer combining scrubbing and mopping in a single pass
  • Shooters looking for a compact cleaning system with stackable components

Specifications

Bronze Brush BristlesPhosphor bronze
Bronze Brush CouplingAluminum coupling
Bronze Brush ShankWound-steel shank
Bronze Brush Thread5/16" - 27 thread
Brush OptionsBronze or Nylon
Fits12 ga. Shotgun
Gauge12 ga.
Mop MaterialWound cotton
Nylon Brush BristlesNylon
Nylon Brush CouplingAluminum coupling
Nylon Brush ShankWound-steel shank
Nylon Brush Thread5/16" - 27 thread
System IncludesOne Brush (Bronze or Nylon) and One Mop

Pros

  • Dual-action system combines a bore brush and absorbent mop in one pass
  • Designed specifically for 12 gauge shotguns
  • Brush and mop screw together for one-step bore cleaning
  • Can be doubled up with another brush or mop for added cleaning flexibility
  • Includes a 3-pack of cotton mops

Considerations & Trade-offs

  • This system is specific to 12 gauge shotguns, so it will not fit other bore sizes.
  • The kit includes one brush and one mop; additional pieces are optional if you want to build a longer cleaning stack.
  • The brush type may vary between bronze and nylon, so the exact scrubbing action depends on the version supplied.
  • The one-step setup is convenient, but it still requires threading the components together before use.

Suggested Comparisons

  • 12 Gauge Shotgun Cleaning Brushes
  • 12 Gauge Shotgun Cleaning Mops
  • Shotgun Cleaning Kits
  • Bore Cleaning Accessories

Suggested Accessories

  • Shotgun cleaning rod
  • Bore solvent
  • Cleaning patches
  • Gun cleaning kit

Frequently Asked Questions

What gauge shotgun does this cleaning system fit?

It is specified to fit 12 gauge shotguns.

What comes in the system?

The system includes one brush and one mop. The description also notes that the brush may be bronze or nylon.

How does the Double-Up system work?

The brush and mop screw together so they can be run through the bore in one step.

Can I stack more than one piece in the system?

Yes. The description says you can double them up in the order you prefer, or add another mop or brush for more thorough cleaning.

What materials are listed for the brush and mop?

The bronze brush is listed with phosphor bronze bristles, a wound-steel shank, and an aluminum coupling. The nylon brush is listed with nylon bristles, a wound-steel shank, and an aluminum coupling. The mop is listed as wound cotton.