Hi....I purchased a single shot Falcon FN6 a few weeks ago in .177. Very nice pistols and deadle accurate with a pistol scope or quality Red Dot scope on board.
The FN6 is a 6" and the FN8 is an 8"...my FN6 does 30 shots on a fill of 185 bar.
Not much more I can tell you at the moment as it's still new to me but can recommend the Falcons...
Eric.