Gun Cleaning & ChemicalsBore TechSold by Brownells

Bore Tech

Proof Positive Nylon Bore Brushes - 6mm Nylon Bore Brush 3/Pack

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

6mm Nylon

Bore brush, sold in a

Double-wound Construction

For increased scrubbing action

Twice As

Many bristles as competing brands

Oversized Bristles

For added strength

Non-brass Cores

Couplers help avoid copper fouling

$7.99
View on Brownells

You'll be taken to Brownells to complete your purchase.

Hunter's Outpost earns a commission from affiliate links at no extra cost to you.

SKU: 749101650

Overview

This nylon bore brush is designed for routine firearm cleaning when you want a dedicated tool for working copper fouling out of a 6mm bore. Its double-wound construction and increased bristle count are intended to provide more scrubbing action while keeping the cleaning process efficient. The non-brass core and coupler help avoid introducing copper-related residue during use, which is useful for hunters and shooters who pay close attention to bore maintenance. Sold in a 3-pack, it offers a practical supply for keeping a cleaning kit ready between range sessions and field use.

Why Hunters Choose the Bore Tech

Double-wound Nylon

Construction provides twice as many

Oversized Bristles

Add strength for more aggressive

Non-brass Cores

Couplers help avoid false copper

.17 .20

Caliber brushes are shorter to

Three-pack Offers

Multiple brushes for repeated bore

Key Features

  • 6mm nylon bore brush, sold in a 3-pack
  • Double-wound construction for increased scrubbing action
  • Twice as many bristles as competing brands
  • Oversized bristles for added strength
  • Non-brass cores and couplers help avoid copper fouling appearance in bores

Best Used For

  • Routine bore cleaning for 6mm rifle owners using nylon brushes and standard cleaning rods.
  • Hunters wanting a non-brass brush option to avoid false copper-fouling indications during cleaning.
  • Users who prefer a stronger scrubbing brush with more bristles for quicker bore maintenance.
  • Rifle owners looking for a three-pack of replacement brushes for regular cleaning sessions.

Specifications

Bristle CountTwice as many bristles as competing brands
Bristle SizeOversized bristles
Caliber6mm
ConstructionDouble wound
Core MaterialNon-brass
Coupler MaterialNon-brass
MaterialNylon
Pack Quantity3/Pack
Product TypeNylon Bore Brush
Shortened Length Amount1 inch shorter
Shortened Length Applies To.17 and .20 caliber rifle brushes
Use RecommendationUse with fast acting copper cleaner

Pros

  • Double-wound nylon construction provides twice as many bristles as competing brands.
  • Oversized bristles add strength for more aggressive scrubbing action.
  • Non-brass cores and couplers help avoid false copper fouling indications.
  • .17 and .20 caliber brushes are shorter to reduce push force.
  • Three-pack offers multiple brushes for repeated bore cleaning use.

Considerations & Trade-offs

  • Nylon brushes are a cleaning accessory, so they do not provide the same scraping feel or rigidity as metal-bristle options.
  • The .17 and .20 caliber rifle brushes are intentionally shorter, which reduces push force but also makes them a more specialized fit for those calibers.
  • Non-brass cores and couplers are designed to avoid false copper-fouling readings, but that means this brush is built around compatibility with copper-cleaning routines rather than being a general-purpose brush.
  • Sold as a 3-pack, which is practical for routine maintenance but may be more than some users need for occasional cleaning.

Suggested Comparisons

  • Bore cleaning brushes
  • Nylon gun cleaning brushes
  • Rifle cleaning accessories
  • Copper fouling cleaning products

Suggested Accessories

  • Bore cleaning rod
  • Gun cleaning solvent
  • Cleaning patches
  • Bore guide

Frequently Asked Questions

What caliber is this brush made for?

This listing is for a 6mm nylon bore brush.

How many brushes are included?

The product is sold as a 3-pack.

What makes these Proof-Positive brushes different from standard nylon brushes?

According to the product description, they are "double wound" and have twice as many bristles as competing brands, with oversized bristles for added strength.

Why does Bore Tech use non-brass cores and couplers?

The description says the non-brass cores and couplers are used to prevent the appearance of copper fouling remaining in your bores.

Are there any special handling notes or limitations mentioned?

The source does not provide detailed handling instructions beyond recommending use with fast acting copper cleaners for best results. It also notes that the .17 and .20 caliber rifle brushes are 1 inch shorter to reduce push force and help prevent barrel damage, but that note does not apply to this 6mm brush.