Foul-Out Gunk Blaster blows away grease and grime fast. This powerful gun- metal grade solvent quickly strips gun actions of burnt powder, oil and grease, eliminating malfunctions of moving parts due to fouling and build up. Quickly cleans chambers, actions, trigger groups, bolt groups, slides, choke tube threading, semi-auto gas ports, extractors, ejectors and other hard to reach areas.Features : Blasts away grease & grime quickly Fast evaporating Eliminates most malfunctions of moving parts caused by fouling and grime build-up Quickly cleans chambers, actions, trigger groups, bolt groups, slides, choke tube threading, semi-auto gas ports, extractors and ejectors. Air dry for 2 minutes and then apply thin coat of Gun-Max Gun Oil to metal surfaces to protect against rust & wear