The legendary bore cleaner. Will get the job done. Small 2 oz size lasts a long time and will fit in range bag nicely. No 9 Synthetic Blend Bore Cleaner. Hoppe's No. 9 remains the most widely used remover of powder, lead, metal fouling and rust. A worldwide favorite since 1903. Ultra-effective, safe and easy to use. The Famous No. 9 formula penetrates deep and rapidly. Child-proof cap. Brand: Hoppe's. Type: Bore Cleaner.