This administration has done most of its dealings behind closed doors, including the ridiculous Obamacare. The fact that they want to handle this the same way doesn't surprise me at all.
Welcome. In my opinion, skip the gun show and visit one of our Industry Partners here on the forum. I can vouch that both Gun Connection and 2A Sales are top notch with excellent customer service and prices.
Just give it a good wipe down and use your lubricant of choice. I don't have any experience with Slipstream, so I can't comment on it. Almost everyone has their favorites and no shortage of opinions about it. Use what you like, but there are some proven suggestions in this thread.