Case Cleaner Concentrate 16 Oz Bottle by BIRCHWOOD CASEY Super concentrate - this one bottle makes over two gallons of reusable cleaning solution and will clean 8 and 000 medium sized cases. Easily removes resizing lubricant and oils and grime and stains from brass cartridge cases. Restores them to original finish for reliable operation. Helps remove powder residue. Brass Cartridge-Case Cleaner is a safe and non-fuming and non-etching solution that won't weaken cases. Due to California requirements and this petroleum product cannot be shipped to California.