If you are wanting to take apart an old scope to see how the pieces fit or work together, that’s understandable, as long as you realize you may be sacrificing a scope. Not all scopes are the same, and some have complex electronic reticles and prism based sights that need to be placed a certain direction within the tube. Second is that you could seriously screw up some of the inner components of the scope, or lose them. If you take it apart, you ruin the seal and release the gas, and your scope will no longer be waterproof and fog proof. This makes your scope waterproof and fog proof, which are invaluable qualities for a good hunting scope. First and foremost, many modern rifle scopes are gasket sealed and purged with a gas to remove all of the oxygen inside the tube.
There are many reasons why you would not want to do this.
To completely disassemble your rifle scope involves taking all pieces apart. So what if you want to do a thorough cleaning of your scope? This guide will cover how to disassemble a rifle scope, how far you actually want to take disassembly, and the proper steps. When most people clean a rifle, they immediately think of the steps to disassemble the rifle to give it a good thorough cleaning.