Oh shit its a Dan Wesson! I facepalm myself. Should've read it more carefully. Sorry OP.
Yes. it is mainly to put a bit of lubrication down the barrel. But as I said, just swap the barrel down with silicone and your good to go. Even if there is no hop up, you can still slightly distort how the BB exits the barrel or cartridge with a slippery BB.
"May you fight with the strength of ten full grown men."