It depends on your barrel length. I can push a 140 gr bullet 2800 fps average out of my Mauser 96s with under 46000 cup loads (45 grs AA 4350) with their 29" barrels. More information is needed with your question. I would say that yes you can match or maybe exceed 260AI velocity with equal barrel length.
Please if anyone else has data to share let me know. For my setup, I'm leaning to settling on the 46 grn load as it gives me very good accuracy at a velocity price point. North of 46 grains it seems I may trade some accuracy for a little velocity gain. Anyone please feel free for the sake of the all to share your opinions on these results as well as your own experiences. OP, I hope this helps and please let us know more about your setup/results.