KleenBore Nylon Bore Brush — .25 / .243 / 6 mm / 6.5 mm (8–32″ thread)
A heavy-duty nylon bore brush from KleenBore, engineered for demanding cleaning jobs in .25 / .243 / 6 mm / 6.5 mm rifle barrels. Dense, stiff black nylon bristles remove powder fouling and carbon deposits effectively while remaining non-abrasive to the bore surface — ideal for both routine maintenance and deeper, precision cleaning where preserving the barrel finish and rifling is essential.
Why choose this brush
Powerful yet bore-safe: aggressive cleaning action without the risk of scratching that metal brushes can cause.
Shape-retaining construction: dense bristle pack and straight design keep stiffness under load for consistent results.
Manufacturer-recommended: trusted by firearms makers as a safe alternative for sensitive barrels.
Key features
Calibres: .25 / .243 / 6 mm / 6.5 mm
Bristle material: Heavy-duty black nylon (stiff, durable)
Thread: 8–32″ (standard for most cleaning rods)
Use: Removes powder, carbon and soot without harming bore finish
Suitable for: daily maintenance and tougher cleaning sessions on precision rifles
Benefits
Cleans effectively without abrading or scoring the bore.
Maintains form and stiffness even during more forceful cleaning passes.
Dense bristles loosen stubborn fouling faster than fine or crimped brushes.
Safe for barrels where rifling and surface condition must be preserved.
Usage tips
Fit the brush to an 8–32″ threaded cleaning rod.
Apply appropriate solvent/CLP and work the brush through the bore in controlled back-and-forth passes.
Follow with patches or a cotton mop to remove loosened residue.
Finish with a light oiling pass if required.
Avoid forcing the brush — let the bristles do the work for best, safe results.
A robust, professional-grade tool, the KleenBore Nylon Bore Brush (.25 / .243 / 6 / 6.5 mm) is an excellent choice for shooters and gunsmiths who want thorough cleaning performance without compromising barrel integrity.
Member of EU
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