Before using MACROSHOT Powder and Lead Residue Cleaning Spray Barrel Foam BF04, ensure that the firearm is unloaded and secured in safe mode. Shake the product several times before use. Apply MACROSHOT BF04 to the barrel, trigger mechanism, and other parts to be cleaned using the plastic tube provided. Wait for 2-3 minutes after application. Clean the barrel with a cleaning rod wrapped in cloth, and wipe other parts with a suitable cloth. For advanced corrosion protection, it is recommended to treat the cleaned barrel and components with MACROSHOT Max 100.