After doing a bunch of research it looks like I need to register my mil surplus 26.5 mm Czech flare gun if I take it out in the woods or on the boat. As just a flare gun it is not necessary, but sense I also have a Kennasaw 410/ 45 long colt sub-caliber insert it changes everything.
So has any one registered one of these? Or am I opening up a can of worms I will come to regret?
Thanks for your thoughts,
If the insert is rifled, it's just a handgun.
If the insert is smooth bore, registration requires a $200 tax stamp from the BATF. You can not legally assemble an NFA weapon until after it is registered and you possess the tax stamp.