I recently got my can, an Optimus 9.
One of the main purposes was to shoot 300 BLK subs out of a 10.5" pistol.
However, it's still a little louder than I would like.
My understanding is that a bolt action would cut down the signature quite a lot, but finding one that is under $500 is proving challenging.
Enter the Kali Key:
It's a sad contraction for the California market that replaces the gas key, neutering the gas system so that your AR turns effectively into a bolt action.
Factoring a dedicated bolt we are looking at about $200.
For those more experienced with suppressors that I am, how much of a difference can I actually expect it to make?
Is a 300 BLK "bolt action" really that much quieter than a semi when shooting suppressed?

https://www.thefirearmblog.com/blog/...ornias-savior/