Several very famous stalkers used them in the great golden trophy period (Including Newton McConnachie). The Ross rifle was highly regarded as a sporting rifle in New Zealand after WW1. The ballistics of the .280 Ross were much the same as the .270 Winchester. The hunting load most used was a 145 grain bullet at 3050fp.
Ross rifles were very successful at target competition of the period also, in the UK and Canada, using a 180 grain match bullet at 2800 fps.
(I did read a report from Townsend Whelen, who said that Canadian ammo was woefully inaccurate (six inch groups at 100 yards) simply because they had loaded them with the wrong sized bullet (.280 Ross caliber is not .284, but .288) But they must have soon figured that out if they were winning all the competitions including at Bisley etc.)
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