I say go ahead and get a prefit barrel for your savage. Just don't go cheap as they are not all the same. I use shilen prefits and have no problems. Pac-nor also makes prefits for your action.
You will only need to know if its a standard shank or large shank action, then order the contour you...
"F" prefix with a serial number lower than F498821 = 1989 thru Nov. 1st, 1995
"F" prefix with a serial number higher than F498821 = Nov. 1st, 1995 through the end of 2002
"G" prefix started in 2003 with the introduction of the AccuTrigger
"H" prefix started in January of 2010
G could be...
My opinion, wich is like an armchair quarterback, is that of the calibers offered in the LRH only the lapua and the 6.5 versions have the twist to go long with enough umphs to do more than punch paper or ring steel.
That is cool! Hope they'll be in the open, after painting them black 1000yds is a long way to find something!
I would say send me some if you find more but the postage would kill me.