I have owned/shot a Mk V Fibremark for about 35 years.
It is the only gun I have never thought about selling. Superbly accurate with every bullet save factory 120g partitions. Everything else I buy or load I get 5 into a nickel when I do my job. I may just need to figure out why it is only 1 moa with the partitions but everything else is so good I just do not bother.

Kills dead, period, at any range I will shoot. Put a good scope on it and anything up to/including elk is fair game.

RAS