Contemplating spending near on $500 just to get a suitable XP-100 barrel, meanwhile I've a number of AR barrels about which could do the job and cost basically nothing. (I did spend a whole $90 for one used "ban era" Colt 1-7 twist barrel, it just needed a slight shortening and a sleeve over the gas port. And $100 for a brand new Green Mountain barrel that never had a gas port which is currently on my UAS AR kluge.)
It seems that there ought to be a way to adapt AR barrels to a bolt gun receiver, either with a thread adapter in lieu of the usual breech collar or a bolt action that could use the regular AR barrels in some QD way.
Shoot, even a single shot something or other....Which would be handy if the gun grabbers make off with the ARs. Still a blue million barrels about! A striker fired bolt gun with a very low profile under belly...(The FightLite SCR is close, just a little too long in the back end.)
https://fightlite.com/scr-pistol-m-lok-300blk
That would make an interesting Production gun if it weren't too long.
A tinkerer's rant off.
