Breakthrough Clean Technologies® Nylon Bristle Bore Brush — .17 Cal | Retail Packaging | Model BT-17NBB | UPC 854325008698
Get small-bore barrels truly clean—fast and safely. The Breakthrough Clean Technologies Nylon Bristle Bore Brush (.17 Cal) combines solvent-resistant nylon bristles with a precision-wound core to scrub stubborn carbon, powder residue, and lead/lube deposits from .17-class barrels without scratching the steel. Delivered in retail packaging for clean storage and peg-wall display, the BT-17NBB belongs in every rimfire and varmint shooter’s kit.
Why Choose a Nylon .17-Cal Bore Brush?
Gentle on rifling: Nylon is non-marring and ideal for delicate .17 HMR, .17 HM2, .17 Hornet, .17 WSM bores—no risk of scuffing lands or crowns.
Solvent-ready performance: The bristles are chemical-resistant, letting modern carbon and copper solvents do their job without degrading the brush.
Full-contact scrubbing: A dense bristle pack and even core wind provide 360° engagement, pushing fouling out efficiently with consistent drag.
Durable construction: Built to withstand repeated passes and high-round-count maintenance routines.
Clean, organized storage: Retail packaging protects bristles from dust and shop grime so the brush is ready whenever you are.
Key Features at a Glance
Caliber: .17 (e.g., .17 HMR / .17 HM2 / .17 Hornet / .17 WSM)
Bristles: Nylon (solvent-resistant, non-marring)
Core: Precision-wound for straight tracking and even pressure
Primary Use: Removes powder/copper fouling; safe, effective scrubbing of small-bore rifling
Compatibility: Fits standard cleaning rods/adapters for .17-cal systems (verify thread with your rod)
Model / SKU: BT-17NBB (also listed as BT17NBB)
UPC: 854325008698
Packaging: Retail packaging for clean storage and easy display
Faster, Cleaner Results for Tiny Bores
Small bores accumulate fouling quickly, and accuracy suffers first. The BT-17NBB drives nylon filaments into grooves and machining marks to lift residue while staying gentle on the steel. Pair it with a quality solvent, then follow with dry patches or a mop for a bright, uniform finish that protects precision.
How to Use (Best Practices)
Unload and verify safe. Always double-check the chamber.
Wet the bore. Apply solvent with a patch or mop and allow a short dwell time.
Brush breech to muzzle. Run the nylon brush in full-length strokes; avoid reversing direction mid-bore.
Reapply as needed. Nylon tolerates robust solvents—let chemistry do the work.
Patch clean and protect. Follow with dry patches, then a lightly oiled patch to prevent corrosion.
Pro Tip: Keep two .17-cal brushes—one dedicated to solvent scrubbing and a second for quick touch-ups. Rotation preserves stiffness and extends service life.
Perfect For
Rimfire precision (.17 HMR / .17 HM2) with high round counts
Varmint and light centerfire (.17 Hornet / .17 Fireball-class) rifles
Match shooters & trainers who demand consistent cold-bore shots
Routine post-range cleaning and pre-storage care
Care & Maintenance
Rinse after heavy solvent sessions; shake or pat dry.
Store inside the retail sleeve or a sealed pouch to keep debris off bristles.
Replace the brush when bristles appear splayed, shortened, or softened.
Specifications
| Attribute | Detail |
|---|
| Product | Breakthrough Clean Technologies Nylon Bristle Bore Brush |
| Caliber | .17 (HMR/HM2/Hornet/WSM) |
| Bristles | Nylon (solvent-resistant, non-marring) |
| Core | Precision-wound shank |
| Primary Use | Powder/copper fouling removal; safe rifling scrub |
| Model / SKU | BT-17NBB |
| Alt SKU | BT17NBB |
| UPC | 854325008698 |
| Packaging | Retail packaging |
Compatibility Notes
Confirm rod thread before use; add a thread adapter if required.
Safe with common CLP, carbon removers, and copper solvents—follow chemical manufacturer guidance.
For extreme deposits, alternate nylon brushing with a few passes of a bronze brush, then return to nylon for routine care.
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Scrub smarter and protect your small-bore accuracy—choose the Breakthrough Clean Technologies .17-Cal Nylon Bristle Bore Brush for reliable, solvent-ready cleaning every time.
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