KleenBore nylon bristle bore brushes are built to withstand the rigors of intensive cleaning, featuring heavy-duty, stiff red nylon bristles designed for long-lasting durability and maximum effectiveness. These brushes are trusted by leading firearms manufacturers for their outstanding cleaning performance, making them a go-to choice for those seeking to maintain the performance and longevity of their firearms. The dense arrangement of thick, heavy-duty bristles ensures that even the most stubborn fouling, carbon, and residue are removed with ease, providing superior cleaning power. Whether you're cleaning a precision rifle or a tactical shotgun, these brushes are essential for achieving a thorough clean and ensuring your firearm performs at its peak. Durable bristles Threads conforming to the American Standard #8-32 specification Manufactured in the united states