Shooter’s Choice Synthetic All-Weather High-Tech Gun Grease (Item #G10CC) has been specially formulated through the latest high technology. It is the ultimate synthetic grease, chemically engineered to specifically meet the most demanding need for lubrication and protection for all firearms, fishing tackle, boats, bikes, autos and tools. It will out-perform all other firearm greases. It is non-alkali, harmless to plastics and rubber.