a viscous firearm gel cleaner that includes an organic cleaning agent such as terpene , terpene derivatives , terpenoids , terpenoid derivatives , turpentine and / or turpentine derivatives . the organic solvent includes substantially no petroleum distillates . the cleaner includes non - ionic and ionic surfactants to enhance the usability and effectiveness of the cleaner . the cleaner can also include an amine cleaning agent , a scent agent , a rust and / or corrosion inhibitor , a thickener , and / or a biocide . the cleaner removes grease , oil , carbon , plastic wad fouling and metal residues that can foul firearms . the cleaner is a water soluble , non - flammable , biodegradable cleaner . the cleaner is especially useful for cleaning outdoor sporting equipment such as firearms .