I have been toying with the idea, in the near future, to go for a 6x3" letterbox backbox as part of a custom system.
I currently have the usual suspect of a Scorpion system but wanted to get opinions on the letterbox backbox on, most likely, a centre-exit?
Maybe this is O.T.T like the old-skool Carisma backbox especially as im gonna keep the body standard!