If you have an ASR can you move to and from different hosts, this is great to protect the threads.
If you have an ASR device and don’t like the concussion, this is a fantastic solution.
Bump it.
If you have no cans, it doesn’t matter. If you do, get it changed by shipping the upper to someone who knows WTF they’re doing.
ADCO, D. Wilson, etc…
I speak from personal experience.
Best of luck.