A lot of the barrel makers will chamber and install...but some require it to be sent thru an FFL...etc etc....
The Edge is the expensive part, unless you are set on it. You can also cruise the classifieds here for a barrel, usually at a good discount than one straight from the maker..
I put together a light rifle ...223AI
Rem Stainless SPS- cannibalized- $600
Benchmark barrel from the fire -$325 ( 1 in 8)
Gunsmith chamber, cut, finish, true action and install-$500
Remington Mtn rifle stock from the 'fire- $200
Total- $1625....
Scope is a Redfield 2x7 Revolution on Talleys
Crap.....I wish I hadn't just added that up....