Another Mfr "Firearm" tagged by BATFE as a SBS and Destructive Device. I don't know the administrative history other then what's in the Article. My impression is that Fostech observed what other were doing and then marketed the Origin SBV "without" a example being review and classified with a...
Recall is on hammer hardness/two stage trigger.
Mfg site on Recall and how to check if your rifle serial # against affected firearms list.
https://www.sigsauer.com/support/safety-center/rifle-safety-warning/#safety-recall-anchor
Mfgs wording (probably by a team of lawyers) say its for abused or heavy use pistols: they can accidentally discharge! Other wise, it sounds like a Recall.
https://www.gunsamerica.com/blog/century-announces-severe-duty-upgrade-for-canik-pistols/
Info placed here to get a wider distribution of safety information. Looks like DD may have sold some semi auto/two round burst guns. This may play out like 3 screw Rugers, Lol.
https://www.gunsamerica.com/blog/daniel-defense-issues-recall-alert-cites-double-fire-condition/