MC-10 High Performance Grease & Lubricant W/ Cloth As a unique mix of aerospace-industry lubricants that was formulated specifically for firearms, MC-10 delivers unrelenting protection from -65 all the way up to 650 degrees. It doesn't look or feel like other formulas-and it doesn't break down like other formulas when things get heated. When the mission is critical, MC-10 delivers without compromise. This combo package includes a 1 fl. oz. spray bottle of MC-10 high performance synthetic lubricant as well as a MC-10 high performance synthetic grease contained in a 3mL precision applicator pen brush. These formulas deliver the ultimate in friction protection and won't freeze, burn or carbonize - even in extreme temperatures. The grease pen delivers ultimate control to apply in precise areas such as the actions, triggers & slides. Also includes microfiber gun cloth. Description: MC-10 delivers extreme protection from -65 to 650 degrees Will not freeze, burn or carbonize Safe for all surfaces, including metals, plastics, rubbers and woods Treated molecules hold to metal, unlike other lubricants Odor-free, for worry-free indoor application Microfiber cloth included How to Use MC-10 Lubricant: Make sure your gun is unloaded. Remove all oils and solvents with a firearm cleaner, like Shooter's Choice Quick Scrub. Spray the MC-10 Lubricant onto the inner workings of your firearm to leave a thin layer. Work your firearm to help the lubricant penetrate hard-to-reach places. (You might feel some friction the first few times you shoot, as MC-10 will push debris from deep within your gun's metal.) When needed, use solvent to remove built-up carbon, fouling and debris. Reapply MC-10 Lubricant. How to Use MC-10 Full Auto Grease Applicator Brush: Click the yellow precision push button to control grease amount. Apply to high friction areas, such as actions, triggers and slides for the ultimate protection.