Will the Kleenbore RC-40 fit standard 12 gauge shotguns or standard rifle calibres?

No, this specific pull-through rope cleaner is engineered exclusively for 37mm and 40mm launcher barrels. It is far too large for standard firearms like 12 gauge shotguns or rifle and handgun calibres, and should not be used across mixed smaller calibres.

How does the cleaning surface area of the Kleenbore RC-40 compare to standard patches?

The main flossing body of the RC-40 provides approximately 160 times more surface area than a standard fabric cleaning patch. This massive surface area combines initial debris sweeping, integrated bronze scrubbing bristles, and surface swabbing into a single efficient pull-through motion.

Does this mechanical cleaning rope require any electrical compliance or SAA/RCM certification for use in Australia?

No, electrical compliance such as 240V, SAA, or RCM certifications are entirely inapplicable to this product. The Kleenbore RC-40 is a completely manual, unpowered firearm and launcher accessory requiring no electrical connection or regulatory electrical approvals.

Can the Kleenbore 37-40mm Rope Cleaner be washed and reused after field maintenance?

Yes, the pull-through cleaning rope is fully reusable and constructed for repeated deployment in tactical or field environments. It can be conveniently hand-washed or machine-washed after use to remove accumulated carbon fouling and debris.

37mm Launcher Bore Cleaner - Kleenbore RC-40

The KleenBore Kwik Kleen One Pull Rope Cleaner (RC-40MM) is an unpowered, single-pass bore maintenance tool engineered specifically for 37mm and 40mm launcher barrels. Built with integrated bronze scrubbing bristles and oversized absorbent flossing sections, it combines initial debris sweeping, bore scrubbing, and surface swabbing into a single pull-through motion. The unit features a weighted brass drop cord stamped with the bore size to feed through the breech by gravity, delivering rapid field cleaning for large-bore tactical, military, and emergency signalling platforms.

Key Features

Single-Pass Cleaning Action: Combines dry particle sweeping, bronze bristle scrubbing, and textile swabbing in a single pull.
High-Density Flossing Body: Delivers approximately 160 times more surface area than a standard fabric cleaning patch to lift powder residue and mirror-polish the barrel interior.
Weighted Drop Cord: Utilises a stamped brass weight for direct gravity-fed routing through open launcher breeches.
Reusable Construction: Designed for repeated field maintenance and is hand-washable or machine-washable.
Included Chemical Wipe: Supplied with an accompanying BreakFree CLP wipe packet for immediate field conditioning.

Specifications

Bore Compatibility: 37mm and 40mm barrels (launchers, flare systems, less-lethal platforms)
Packaging Width: Approximately 6.9 inches (17.5 cm)
Cleaning Surface Area: Approximately 160x the surface area of a standard fabric patch
Power Requirements: Completely manual (unpowered)
Bristle Material: Integrated bronze
Drop Weight: Stamped brass

Who is the Kleenbore 37-40mm Rope Cleaner for?

Law Enforcement Tactical Units: Requires fast carbon clearing and particulate wipe-down between deployments using a 37mm 40mm launcher bore rope that delivers 160 times more surface area than a standard fabric patch inside 37mm and 40mm less-lethal barrels.
Military Personnel: Benefits from a rapid, single-motion 37mm 40mm launcher bore rope engineered to scrub and swab 40mm grenade launcher tubes in field environments without carrying full rod sets.
Commercial and Maritime Operators: Relies on a compact 37mm 40mm launcher bore rope providing 160 times the contact area of conventional patches to quickly maintain 37mm emergency signaling flare launcher barrels exposed to damp elements.

Less suitable for: Standard sporting firearms including 12 gauge (18.5mm) shotguns, rifles, and handguns, or launcher barrels suffering from heavy lead buildup, severe plastic wad fouling, or deep armory-level fouling that requires a rigid multi-piece rod system, chamber brushes, and solvent baths.

SKU	KLB41053LP
Model #	RC-40
Brand	Kleenbore
Shipping Weight	1.0000kg

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Kleenbore Rc-40 Rope Cleaner 37 40mm Launcher Bore

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