The Breakthrough Clean Technologies Phosphor Bronze Bristle Bore Brush is expertly designed for .40 caliber and 10mm firearms, ensuring effective cleaning without damaging the bore. Its rugged brass core and stiff bronze bristles efficiently tackle heavy carbon buildup, helping to maintain optimal firearm performance. This durable brush features standard #8-32 threading, making it a reliable addition to any handgun cleaning kit.
| Caliber Compatibility | .40 S&W and 10mm |
| Thread Pattern | #8-32 |
| Bristle Material | Phosphor Bronze |
| Core Material | Brass |
