In the Southwest (Devon & Cornwall) I expect to pay £35+ for a 500 brick of the 'good' stuff (Eley, Winchester, RWS). A bit less for Remington, Magtec, or CCI.
Cheap stuff is ok for plinking and general 'faffing about, in bolt rifles it doesn't matter much, but if you have a semi-auto forget it, the cycling on Sub's is bad enough anyway, without using crud ammo.
I found Reminton Subs yielded many more 'runners' on Rabbits than the other brands and too many ricochets, my conclusion is that the bullets are harder lead, and also have a tiny hollow point cavity, I think they go straight thr