What’s a threaded barrel?
Next will be “assault murders” as a hate crime. If someone kills someone with an “assault” weapon they’ll get more punishment that someone who uses a shotgun.
A barrel that has external threads that facilitate the mounting of a flash suppressor or a sound suppressor( aka silencer, which it really isn't).
By the way Prole how dare you question the judgment of your superiors. Report your self and expect to be relocated for thought reform and re-education. Dress warm and bring a shovel./s