• GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam sprayed through the straw into a ported muzzle device, foam coming out of every port
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
  • GNP Defend Bore Cleaning Foam
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GNP DEFEND

GNP Defend Bore Cleaning Foam

GNP Defend Bore Cleaning Foam

$12.95
$12.95
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THIS FOAM IS STEP 3 OF 4 Get it in the Go-To Kit
save $9.85 MEDIUM KIT
1 · STRIP Gun Degreaser
2 · CLEAN Gun Cleaner
3 · BORE Bore Cleaning Foam — this one
4 · PROTECT Gun Oil
Kits from $49.95 · all four cans, one order See the kit →

Specifications

Chemistry Water-based
OwnershipAmerican-owned
NCAGE code9BXGHRegistered supplier
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A Clean Bore in 10 Minutes

Just a spritz. The high-performance foam cuts through carbon, copper, lead, and zinc inside the barrel — water-based, non-flammable, and odorless.

GNP Defend Bore Cleaning Foam is a fast, safe bore cleaner that makes firearm maintenance a breeze. Spray it in, let the formula work, and it lifts stubborn carbon, copper, lead, and zinc residue — cleaning your barrel flawlessly in about 10 minutes, no aggressive scrubbing required.

Fast-ActingBreaks down fouling inside the barrel in 10–15 minutes.
Deep Bore CleanRemoves carbon, old grease, copper, lead, and zinc.
Water-BasedNon-flammable, ammonia-free, no harsh chemicals or strong odor.
Surface-SafeSafe on metal, wood, paint, varnish, ceramics, rubber, and plastic.
Clean First, Then Protect

This water-based foam cleans the bore — follow with GNP Defend Gun Oil to lubricate and guard against rust.

Key Features

  • Fast-acting performance — breaks down residue quickly; allow 10–15 minutes after application before cleaning
  • Quick & effective — removes carbon, old grease, copper, lead, and zinc with ease
  • Non-flammable — water-based formula for a worry-free, safe cleaning experience
  • Versatile & gentle — safe on metal, wood, paint, varnish, ceramics, rubber, and plastic
  • No harsh chemicals — free of ammonia, alcohol, and abrasive solids
  • No strong odor — designed for a more comfortable cleaning experience
  • Industry standards compliant — meets small arms maintenance standards
How to use: Spray the foam into the bore and let it work for 10–15 minutes. Run a patch or bore brush through to clear the lifted fouling, repeating until patches come out clean. Because it's water-based, finish by drying the bore and applying a light coat of GNP Defend Gun Oil to protect the metal.
The New Standard in Bore Cleaning

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Helpful Cleaning Guides: Gun Cleaner Tips for Beginners — Step-by-Step Guide How to Clean a Bolt-Action Rifle — Step-by-Step Complete Pistol Cleaning Kit Collection

Disclaimer: Follow all firearm safety protocols when using Bore Cleaning Foam. Keep out of reach of children. For external use only. Do not ingest or inhale.