Great thanks.There are long and short collar threaded barrels, the pinned barrels have no collar.
Spike.If your buying yes it's worth $200 if your selling it's worth $300 as long as the panic buying market keeps going. And you say yours is a /26\ so it would be a '66. Is it blade or spike bayonet, I think that was maybe a transition year so it could be either.(or was it '65, I always forget that stuff)