I had to move a bunch of guns this year and found the Midway gun socks and generic cases a good price and wholly adequate for the task.
I have the 32 inch MRAT for my 870 SBS. But this should work for your 18 inch barrel shotgun.
https://www.uspeacekeeper.com/collec...cts/rat-cases#
Be Aware-Stay Safe. Gunfighting Is A Thinking Man's Game. So We Might Want To Bring Thinking Back Into It.
"You win 100% of the fights you avoid. If you're not there when it happens, you don't lose." - William Aprill
"I've owned a guitar for 31 years and that sure hasn't made me a musician, let alone an expert. It's made me a guy who owns a guitar."- BBI