They are the old Mark X, a commercial M98 action, built by Zastava. I`ve one from Inter-Arms I bought in the late 80s, early 90s that was a `06 originally. It shot fairly well but, I rebarreled it to 6.5 Swede as I already had 2 other `06s.
C. Daley took over importing it after the Balkan war, Inter_Arms went under during that period. Remington out bid Daley for the import rights a couple years ago and instantly raised the price $100.
Personally I`d take a good look at the CZ 550 if I was seeking a commercail Mauser type rifle today. The prices are within a $100-$150 from what I`ve seen and the CZ is a better rifle IMO