I think so my mate go,s to scotland to shoot foxes with his air rifle, Thats why they are F.A.C. I,ve seen normal pelets disintergrate as they come out the gun,that how powerfull they are.
i dident think fac would kill i fox cheers
35ftlb .22 will kill a fox at 30yds eye/ear shot, But having an FAC rated air rifle without a FAC carries the same penalty as having any other illegal firearm, so best approach is to get the ticket, then you can get a more suitable foxing tool.
its not me which has a fac airrifle it was a couple of guys in pub.i have a fac