MFR# 1STEP-8UPC: 0709779800272Next Generation of Cleaner and Barrel Maintenance is here! Environmentally Friendly and Non-Hazardous Formula leaves barrels Totally CLEAN & PROTECTED in ONE EASY STEP! Removes: Lead, Powder, Plastic, Copper (Jacketed), and Primer Fouling.Makes gun bores and actions easier to clean.Lubricates and Protects: Rust inhibitors and special additives soak into the metal and provide a corrosion barrier for superior rust protection.Synthetic Synergistic Blend: Super proprietary formula lessens fouling/residue buildup with repeated use. Here's how to use 1 Step:1) Saturate the bore or chamber area2) Let Penetrating Agents work and sit for 10-15 minutes.You can even let it set overnight in a gun vise if wanted. 3) Run Brush through bore/chamber area and bust fouling loose.4) Finish with a jag and dry patches. Clean all saturation and fouling out. No need to finish with an oil as 1 Step has rust inhibiting and corrosion protection additives!