Parts kit / featureless AK

[Clickjack]

I have a couple parts kits. I was going to send off to have built into featureless rifles. Builder is in another state.

Bayonet lug, and a removable muzzle break threaded barrel ok on a featureless?

[Quiet]

Bayonet lugs and installed bayonets, on any type of firearm, are not prohibited or restricted by any CA laws/regulations.

Threaded barrels are not restricted on rifles, shotguns, revolvers, manually operated repeating pistols, single-shot pistols, semi-auto pistols with fixed magazine, manually operated repeating firearms that are not pistols or rifles, single-shot firearms that are not pistols or shotguns, and semi-auto firearms that are not pistols or rifles with a fixed magazine.

Threaded barrels are restricted on semi-auto pistols that do not have a fixed magazine and on semi-auto firearms that are not pistols or rifles that do not have a fixed magazine.

A "flash suppressor" is restricted on semi-auto centerfire rifles that do not have a fixed magazine and no semi-auto firearms that are not pistols or rifles that do not have a fixed magazine.
Any muzzle device that is designed, intended, or functions to reduce or redirect muzzle flash from shooter's field of view is considered a "flash suppressor".
^This include a muzzle brake that is advertised with flash suppressing properties or functionally has flash suppressing properties.