Services involve doing stuff for you, so you don't have to invest the time required to complete the project, the most expensive ingredient in a do-it-yourself project that can be shipped, in addition to the maximum job possible. For example for gun barrels, equipment that you will not have available to extract a 10X improvemnt in performance in result that is possible on your own.
Another reason would be safety.Services are either:
Gun Blue the Scotty Cameron Putter
Regular price: $199.99
Sale price: $149.99
MolyFusion Custom Extreme Treatment to a gun barrel
X3 MolyFusion Treatment of a gun barrel
$100.00 or $199.96 for two short or two long.