Win Model 70 Safari Express Rebored 416 RM

Build a dangerous game stopper with a Winchester Model 70 Safari Express barrel, 24”, originally in 375 H&H, gunsmith rebored to 416 Rem Mag. I bought the rifle from Prophet River Firearms, already rebored. I never shot it before i had the action re-barreled to 300 H&H to be my plains game rifle in Africa. Now it’s time to move the original barrel on.
Barrel is in very good shape with front and rear sights and barrel band removed.
Asking CAD $320 plus shipping.
Thanks