The IOSSO AR-15/AR-308 Upper Receiver Bore Cleaning Brush with Metal Loop Handle 2 Pack (19124) comes with two brushes that are sized to close tolerance for precision cleaning of the AR bore. The brushes are made with a fiber that is cobalt blue which is a stiffer grade of fiber that allows for back and forth action unlike traditional brass and bronze type brushes. The fiber last approximately 8 to 10 times longer than other brushes. The brush is wound tighter and has more fiber per inch than any other brush.
9.50" Overall Length
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