Birchwood Casey Gun Scrubber Cleaner - 15oz Aerosol (4-Pack) | Firearm Cleaning Kit for Pistols, Rifles & Shotguns | Removes Powder Residue & Lubricants" (Note: I've made the following improvements: 1. Standardized formatting with hyphens 2. Added product benefits (removes residue/lubricants) 3. Included usage scenarios (pistols, rifles, shotguns) 4. Used proper measurement abbreviations 5. Maintained brand name prominence 6. Added relevant firearm-related keywords for SEO)