Breakthrough Clean Technologies115802678
Breakthrough Clean BT308PBCBAR Phosphorus Bronze Chamber Brush for .308 Caliber Firearms$4.49
Breakthrough Clean Technologies
Availability: In Stock
A .308/7.62mm rifle demands serious attention to keep its bolt carrier group running clean and reliable. The Breakthrough Clean BT308PBBCBAR Phosphorus Bronze BCG Cleaning Brush is purpose-built for that job—a dedicated brush sized and material-matched to scrub carbon, powder residue, and fouling from the bolt carrier itself without damaging the hardened steel underneath. If you shoot .308 Winchester, 7.62 NATO, or any variant in that family and you're tired of struggling with one-size-fits-all brushes, this is the tool that actually fits the work.
Phosphorus bronze bristles are the gold standard for firearms cleaning because they're soft enough to preserve your firearm's finish and hard enough to cut through stubborn buildup. The brush is built to handle the real conditions of high-round-count shooting—whether you're breaking in a new upper, running drills at the range, or maintaining a duty rifle. A clean bolt carrier group means reliable extraction, consistent cycling, and longer intervals between problems when it counts.
Breakthrough Clean Technologies designs their tools around the actual geometry of the components you need to clean, so you spend less time fumbling and more time shooting. If you maintain your own rifles and take the process seriously, a caliber-specific brush is a small investment that pays off every cleaning session.
Yes—the BT308PBBCBAR is engineered for .308/7.62mm rifles. It's sized to match the bolt carrier geometry of rifles in that caliber family.
Phosphorus bronze is softer than steel (so it won't scratch hardened components) but harder and more aggressive than plain brass. It's the preferred material for serious firearms maintenance because it balances cleaning power with finish protection.
The brush is designed for .308/7.62mm bolt carrier groups across platforms. The specific fit depends on your rifle's bolt carrier geometry—if you're working with a standard .308 BCG, this brush is your match.
SKU: 115856363 • Width: 2.7in • Height: 0.6in • Depth: 7.8in • Weight: 0.05oz
Breakthrough Clean Technologies
Availability: In Stock
A .308/7.62mm rifle demands serious attention to keep its bolt carrier group running clean and reliable. The Breakthrough Clean BT308PBBCBAR Phosphorus Bronze BCG Cleaning Brush is purpose-built for that job—a dedicated brush sized and material-matched to scrub carbon, powder residue, and fouling from the bolt carrier itself without damaging the hardened steel underneath. If you shoot .308 Winchester, 7.62 NATO, or any variant in that family and you're tired of struggling with one-size-fits-all brushes, this is the tool that actually fits the work.
Phosphorus bronze bristles are the gold standard for firearms cleaning because they're soft enough to preserve your firearm's finish and hard enough to cut through stubborn buildup. The brush is built to handle the real conditions of high-round-count shooting—whether you're breaking in a new upper, running drills at the range, or maintaining a duty rifle. A clean bolt carrier group means reliable extraction, consistent cycling, and longer intervals between problems when it counts.
Breakthrough Clean Technologies designs their tools around the actual geometry of the components you need to clean, so you spend less time fumbling and more time shooting. If you maintain your own rifles and take the process seriously, a caliber-specific brush is a small investment that pays off every cleaning session.
Yes—the BT308PBBCBAR is engineered for .308/7.62mm rifles. It's sized to match the bolt carrier geometry of rifles in that caliber family.
Phosphorus bronze is softer than steel (so it won't scratch hardened components) but harder and more aggressive than plain brass. It's the preferred material for serious firearms maintenance because it balances cleaning power with finish protection.
The brush is designed for .308/7.62mm bolt carrier groups across platforms. The specific fit depends on your rifle's bolt carrier geometry—if you're working with a standard .308 BCG, this brush is your match.
SKU: 115856363 • Width: 2.7in • Height: 0.6in • Depth: 7.8in • Weight: 0.05oz