KleenBore UT221 Durable Nylon Bristle Gun Cleaning Brush

The KleenBore UT221 double-end gun cleaning brush is built to reach the tight spaces that standard patches and rods can't touch. Whether you're breaking down a rifle receiver, cleaning out trigger assembly crevices, or working on ventilated rib details, this brush gives you two different tool profiles on a single handle—made in the USA with tough, solvent-resistant nylon bristles that won't fray or leave lint behind.

Serious shooters and gunsmiths know that a proper clean depends on getting into the details. The UT221's dual-end design pairs larger bristles on one end for general scrubbing with smaller, stiffer bristles on the other for precision work in confined spots. Both ends use firm nylon construction that stands up to solvents and repeated use without breaking down, so you're not replacing brushes constantly.

If you run a Floppy Disc cartridge, carry a .357 Magnum, or maintain AR-platform rifles, this is the kind of workhorse accessory that pays for itself the first time you realize how many spots you can actually reach. Keep one in your cleaning kit and grab it whenever you need to get serious about the places standard bore brushes leave untouched.

Key Features

• Double-ended design with two different bristle profiles—larger for general cleaning, smaller and stiffer for precision detail work
• Firm nylon bristles that resist solvents and won't degrade with repeated use
• Reaches trigger assemblies, receiver crevices, and vent rib areas standard brushes miss
• Made in the USA

Specifications

Frequently Asked Questions

What makes a double-end cleaning brush worth it for gun maintenance?

Most single-brush designs force you to choose between gentle scrubbing and precision detail work. The UT221 gives you both in one tool. The larger bristles handle general fouling removal across open surfaces, while the smaller, stiffer end penetrates tight spots like trigger assembly pins, safety detents, and receiver undercuts—places where residue accumulates and single-profile brushes struggle.

Will nylon bristles hold up to gun solvents and repeat use?

Yes. The UT221's firm nylon bristles are solvent resistant and designed for repeated use without fraying, matting, or breaking down. Unlike some natural bristles, nylon stands up to strong cleaners and stays effective across multiple cleaning cycles.

What firearms or areas is this brush best for?

The facts provided don't specify caliber or firearm compatibility, but the design makes it useful for any centerfire or rimfire rifle, pistol, or shotgun where you need to clean hard-to-reach areas—receivers, trigger mechanisms, vent ribs, and other detailed geometry that standard brush sizes can't address effectively.