Thanks for all the great information. A few replies:
@John A.
I do have an economic impairment... I'm on a student budget and would really just like to find out how expensive the barrel is vs. buying a 12 gauge. Also, I've shot 12 gauge trap before and would welcome the extra challenge...
Hey all,
My father recently gave me a .410 Home Defense gun (the one with the laser sight and vertical fore grip). I was recently struck by a bug to go trap shooting and wanted to purchase a longer barrel for it (18" won't cut it for me). It appears that Mossberg doesn't sell a barrel in .410...