Finding an FFL - Gunbroker link
Here's a link to the FFLs that have signed up on gunbroker
http://www.gunbroker.com/FFL/DealerNetwork.aspx
Just put in the buyer's zip code..
You should get a copy of the FFL certificate you're shipping to. Then, you can input the FFL number in the following...
Good choice for an inexpensive hot tent. If you can figure out how to maximize the exposed stove pipe inside the tent, it will have more surface area to radiate...
The TiGoat boot has a cover that can be used if you don't use the stove. Very worthwhile mod, and it was the first time I'd ever done any gear mods ever.
Here's a video from February in my SL-5...
https://www.youtube.com/watch?v=RpYb-sRbpS8
Alternatives
I've got a GoLite SL-5 that I modified by putting a stove boot in, I have a medium Kifaru box stove that works great in it. I sewed it in with a Speedy Stitcher and used braided fishing line and seam sealed it with GE Silicone and mineral spirits mixed 50/50.
This is roomy enough...