Butch's Gun Oil is a bore protectant and conditioner, especially when used with Butch's solvent. It is a proprietary blend of natural oils that withstands the intense heat, friction and pressures produced in a firearm's chamber and bore. The product's rust inhibitor provides the absolute maximum in corrosion protection for both regular and stainless steel firearms. This oil is also a lubricant instantly making gun parts work noticeably smoother.