wildrider666
Master
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/
https://www.gunsamerica.com/blog/century-announces-severe-duty-upgrade-for-canik-pistols/