The Avenger is made by Primetime, a division of FR.
There is no FR brand, that's the corporate umbrella name for all the different divisions.
Suggest you check out the Primetime sub-forum, in the TT/5th Wheel section here.
Also should post your Avenger questions there.
and Zoe the Wonder Dog(R.I.P.)
'07 Roo 23SS pushing an '07 Chevy Avalanche
Equalizer WDH and Prodigy BC