A lubricating and penetrating oil that flows into the tiniest of crevices, lifts away lead and copper jacket fouling, frees up super-tight barrels, loosens frozen screws and bolts. Dissolves dried grease and oil, displaces water, without harming metal. Works great for getting underneath and loosening built-up carbon, copper and lead fouling in shotgun, rifle and pistol barrels. Contains Silicone for advanced moisture resistance and rust protection. Mfg: Kano Labs SPECS: Sili-Kroll – Aerosol can, 10 fl.oz (296ml) or 16.5 fl.oz (488ml).