Re: baffle strike on 308 suppressor mounted on AR-
Before this one gets more out of hand, hope this helps. One would contact the BATF and follow their guidance.
IMO, every part, every part...is a BATF registered part of your suppressor. Whether its a baffle, a spacer, an endcap, the serialized tube...whatever...every part. You cannot dispose of baffles, you cannot throw out the serialized tube and keep any other part. You/A Trust is responsible for the whole can, in its entirety, throughout all time, or unless you/your trust specifically contacts the BATF and they approve the destruction/loss/return to dealer of that can. There is no throwing out any "part". There is no "the serialized tube" is all your responsible for.
Every part, as purchased, for all time, or until the law changes, or until you/your trust has the approval of the BATF that your/your trust's can is no longer your / your trusts responsibility. One would contact the BATF and follow their guidance.