Keep your air gun working flawlessly by using theCrosman Silicone Chamber Oil RMCOIL. This special oil is specifically designed to be used withCrosman Spring and Nitro Piston air rifles. The silicone lubricantprevents wear to help maintain accuracy and long-lasting performance. It is also recommended to be used withall break barrel and pre-charged pneumatic airguns. The lubricating oil issilicone-based to resist moisture and humidity while providing optimum lubrication. Use this product to help ensureyour air gun remains reliable and accurate for many years. Using it consistently and properly can help you avoid having to repair or replace certain parts of your device. The formula comes in a 1/4fl oz tube with an opening in the top that allows for only small amounts of the liquid to come out so that it's not easily wasted. TheCrosman Silicone Chamber Oil RMCOIL is a must-have for all air gun owners.