Designed for .223 cal./5.56MM and .308 cal./7.62MM firearms.-8" and 30" Memory-Flex® Cables for effective and correct Breech-to-Muzzle® cleaning-Four (4) bronze bore brushes remove copper deposits and other fouling-Solvent/cleaner helps clean, lubricate and protect the barrel in one efficient step- Dimensions: 4" x 4" x 2 1/2"SKU: FG-308-9 BX