Both are good if one has the confidence that one should have in any Air Rifle. Some will never be eligible for FAC, are they missing out? Those who have FAC do better?
Ether one will do the job without any fuss within it's kill zone and designated environment. Sub Twelve Foot Pounds Air Rifles are more versatile and are useable in many more situations than their FAC Brothers?
Each are very good, and if one has a choice, then who am I to say this and not that.
Any half decent all manual camera with a good lens will do the job if one is a Photographer. Just my opinion. All the