Brownells194200105
Brownells Double-Up Brush, Bronze, 37/40Mm, 12 Pack$67.04
Availability: In Stock
Current Stock: Out of stock
The Brownells Double-Up Brush is a modular 37/40mm brush system built for shooters who need flexibility and efficiency when cleaning specialized firearms. Unlike single-purpose brush designs, this three-pack gives you interchangeable components—bronze brushes paired with a cotton mop—that snap together in any combination you want. Whether you're maintaining a less common caliber or just prefer to assemble your cleaning tool on the fly, the Double-Up approach lets you customize your setup without buying multiple separate tools.
Each component features aluminum couplers (both male and female) that lock together securely, so swapping brushes takes seconds. The bronze bristles handle stubborn fouling and carbon buildup with confidence, while the super-absorbent cotton mop tackles solvents and final cleanup in one pass. The modular design means you can pair the mop with a brush, combine brushes, or build whatever configuration works best for your cleaning routine—no wasted tools, no compromise on capability.
This is practical kit-building at its best: three complete units give you backup components, options for different guns or cleaning stages, or spares to stash in a range bag or truck. Bronze bristles are gentler than steel on some finishes, making this a smart choice if you're running specialty ammunition or shooting less common platforms where dedicated brush selections are hard to find.
| Diameter | 37/40mm |
| Brush Material | Bronze |
| Mop Material | Cotton |
| Couplers | Aluminum, male and female |
| Quantity per Pack | 3 |
Yes. All components have aluminum couplers that attach to each other in any order, so you can assemble custom combinations suited to your specific cleaning needs.
You receive three complete units, each with a bronze brush, a cotton mop, and aluminum male and female couplers.
The Double-Up Brush is sized for 37/40mm applications. Check your firearm's bore or tube diameter to confirm compatibility before purchase.
Bronze bristles are softer than steel, making them a gentler choice for sensitive finishes while still delivering effective scrubbing power for fouling and buildup.
SKU: 197560901 • Weight: 0.2oz
Availability: In Stock
Current Stock: Out of stock
The Brownells Double-Up Brush is a modular 37/40mm brush system built for shooters who need flexibility and efficiency when cleaning specialized firearms. Unlike single-purpose brush designs, this three-pack gives you interchangeable components—bronze brushes paired with a cotton mop—that snap together in any combination you want. Whether you're maintaining a less common caliber or just prefer to assemble your cleaning tool on the fly, the Double-Up approach lets you customize your setup without buying multiple separate tools.
Each component features aluminum couplers (both male and female) that lock together securely, so swapping brushes takes seconds. The bronze bristles handle stubborn fouling and carbon buildup with confidence, while the super-absorbent cotton mop tackles solvents and final cleanup in one pass. The modular design means you can pair the mop with a brush, combine brushes, or build whatever configuration works best for your cleaning routine—no wasted tools, no compromise on capability.
This is practical kit-building at its best: three complete units give you backup components, options for different guns or cleaning stages, or spares to stash in a range bag or truck. Bronze bristles are gentler than steel on some finishes, making this a smart choice if you're running specialty ammunition or shooting less common platforms where dedicated brush selections are hard to find.
| Diameter | 37/40mm |
| Brush Material | Bronze |
| Mop Material | Cotton |
| Couplers | Aluminum, male and female |
| Quantity per Pack | 3 |
Yes. All components have aluminum couplers that attach to each other in any order, so you can assemble custom combinations suited to your specific cleaning needs.
You receive three complete units, each with a bronze brush, a cotton mop, and aluminum male and female couplers.
The Double-Up Brush is sized for 37/40mm applications. Check your firearm's bore or tube diameter to confirm compatibility before purchase.
Bronze bristles are softer than steel, making them a gentler choice for sensitive finishes while still delivering effective scrubbing power for fouling and buildup.
SKU: 197560901 • Weight: 0.2oz