I only have a few guns (especially compared to some of the folks here) but I wanted to make sure things were taken care of properly, especially since I live alone. Last year, before an extended overseas work assignment, I sat down and wrote my own LWT. I've done it more times than I can count for others - part of the job. I went through and designated just about every gun for some friend or other who would enjoy it. "Specific bequests" I think the professors called it. Same with the fly rods and reels, fishing gear, etc. And the same with some other stuff around the house, stuff that the unknowing or ill-informed might look at as just so much junk (that bowl on the dresser with the odds and ends in it is Chinese Export Ware circa 1800, not WallyWorld stoneware, thank you very much). I included instructions to my designated executor about who to consult/retain as an attorney and for what purpose (one guy for regular stuff, one for aviation - both lawyers I respect), distinguished between "suggestions", "urging", and "directing", instructions on how to close up my pratice (such as it is) and made clear I had cut certain persons out for good reasons and on purpose.
It wound up being pretty long and involved, but it accurately expressed what I wanted at that time. I have to update it - I've acquired more since and need to get it in.
It would have cost a good bit to have me do this professionally, but it cost me a day-plus of time to do it. I slept well and still do.