Breakthrough Clean BT308PBCBAR .308 Phosphorus Bronze Chamber Brush

The Breakthrough Clean BT308PBCBAR Phosphorus Bronze Chamber Brush delivers thorough chamber cleaning for .308 Winchester and 7.62x51mm NATO rifles. This specialized brush removes stubborn carbon buildup and fouling that standard cleaning patches cannot reach.

What Makes This Different

Phosphorus bronze bristles provide the ideal balance of cleaning power and barrel protection, being harder than carbon deposits but softer than steel barrel surfaces. Unlike standard bronze brushes, the phosphorus bronze alloy maintains bristle integrity through repeated use while preventing scratching of chamber surfaces. The brush features a precise .308 caliber sizing that ensures proper contact with chamber walls without excessive force.

Key Features

• Phosphorus bronze bristles remove carbon buildup without damaging chamber surfaces
• Precision-sized for .308 Winchester and 7.62x51mm NATO chambers
• 8-32 thread pattern fits standard cleaning rods
• Dense bristle configuration reaches all chamber contours
• Corrosion-resistant construction for long service life
• Professional-grade materials used by military and law enforcement
• Compatible with all major cleaning rod systems

This chamber brush excels in removing the baked-on carbon and powder residue that accumulates in high-volume shooting scenarios. Competition shooters rely on thorough chamber cleaning to maintain consistent chambering and extraction. Law enforcement and military users depend on clean chambers for reliable function in critical situations. The brush works effectively with standard cleaning solvents and bore cleaners.

Technical Specs

• Caliber: .308 Winchester / 7.62x51mm NATO
• Bristle Material: Phosphorus bronze alloy
• Thread: 8-32 male (standard cleaning rod thread)
• Overall Length: Approximately 2.5 inches
• Bristle Density: High-density configuration
• Compatibility: All .308/7.62 rifle chambers
• Manufacturer: Breakthrough Clean Technologies

Proper chamber maintenance extends barrel life and ensures reliable extraction under all conditions. This phosphorus bronze brush provides the cleaning effectiveness demanded by serious shooters who understand that chamber cleanliness directly impacts accuracy and reliability.