Originally Posted by RobF
Chris Coombes has both and has used both in competition.
I do have both
and yes the TM is built like a tank,and it's the main rifle I use in competition. FT
I have had it now for 18 months and the only problem I had was that the shroud was a little tight against the action,which changed the poi ,and this was sorted by a simple o ring.
I do have the ISP which is a fine rifle as well,I have shot it ,but not in competition YET
but the shooting I have done with it,well it's does what is says on the tin.
So if you can afford both ,then go for it