Anyway, here is the detail on the Parts you are looking for.
The Parts in question is either a Barrel assembly or a caliber conversion.
Both of them need to have a min length of 18.5’’.
There will be two version available from Bushmaster ( one in 5.56 and one in 6.8SPC).
Those were supposed to be released prior but due to several production restraint and the current situation in the US, those won’t be produce this year.
Until further notice, both Sku’s should be launch next year.
We have been burn in the past announcing those high demand product but the current production schedule is changing so often that we could not even confirm when or if it will really be launch next year.
Be sure that we will do a lot of promotion when those will be available.
There is a big list of people asking for those so we won’t miss the business opportunities.
As if there is any other non-restricted barrel available in the country.
Yes there is some but those are not factory OEM parts and the use of those barrel will void your warranty.
The Rifle length (18.5’’) barrel uses its own dedicated gas system and everything you will find on the market will use regular carbine length.
They will usually use the Parts you have on your factory barrel and simply install them on a longer barrel.
This will definitely affect the wear and reliability of the platform.