The Shooters Choice Firearm Parts Soaker is a specialized cleaning system designed to effectively break down stubborn carbon and powder residue from small firearm components with its 4oz capacity pre-filled cleaning solution.Shooters Choice Firearm Small Parts Soaker - 4ozPre-filled with Shooters Choice Firearms Parts Cleaning SolutionIncludes convenient lift-out strainer basketReusable design for ongoing maintenancePerfect for soaking breech plugs and muzzleloader nipplesIdeal for firearm enthusiasts and professionals who need thorough cleaning of small components this soaker provides an efficient hands-off approach to breaking down tough residue buildup.