Gun-Werkz Double Ended Nylon Bristle Gun Cleaning Brushes Gun-Werkz Double Ended Nylon Bristle Gun Cleaning Brushes Developed for the U.S. Armed Forces to clean M16/M4 rifles quickly and effectively. Double-ended, solvent-proof, polypropylene handle provides a large, contoured series of nylon bristles to clean curves and open areas while the short, stiff arrow bristles tackles the really tough crud in those hard to reach areas. Gets down inside actions, pistol slides and around the extractor star on revolver cylinders. For use on your guns, rifles, pistols, revolvers, shot guns, black powder guns, tactical guns, handguns, concealed carry guns, hunting guns, hunting rifles. Cleans your AR-15, AR-10, 1911, 38 special, 45, M1 Garrand, 9mm, 223, 308 and all other firearms. Use these to clean your Browning, Ruger, Winchester, Smith & Wesson, Colt, Glock, Stag Arms, Kimber, Remington, Sig Sauer, Mossberg, Taurus, Savage, Henry, Sako, CZ, Kel-Tec, H&K, Kahr, FHN, SKS, Husgvarna, Chiappa, Springfield, Franchi, Berreta, Benneli, Perazzi, Mauser, Panther, Marlin and many more.