MC1210® Heavy Grease is an NLGI “Grade 2,” lithium-based, extreme duty grease that is ideal for challenging climates and use in marine conditions. MC1210® contains Mil-Comm’s legendary TW25B® lubricant as a core product component. MC1210® delivers outstanding performance for extreme pressure and heavy load-carrying weapons. Approved for shipboard use by the U.S. Navy and and U.S. Coast Guard, MC1210® extends the life of parts and reduces the frequency of necessary maintenance. Parts run smoother and cooler. MC1210® is proven to be superior on gun mounts, recoil mechanisms, and slow-moving machine parts.