RL-17 is really close in speed to IMR-4350, (Alliant techs recommend using I-4350 data when there isn't RL-17 data available), so I'd start with that data and CAREFULLY work up:
.30-06 Springfield (Barnes Reloading Manual #3) Reloading Data
Warning! Notes: case: Winchester; primer: Federal GM 210M; barrel: 24"; parent case: none; trim to: 2.484"; XLC Coated X-Bullet data cannot be used with other bullets, including non-coated X-Bullets. Maximum loads should be used with caution - Always Start With Minimum Loads.
130 Barnes XBT IMR IMR-4350 57.0 2,942
130 Barnes XBT IMR IMR-4350 61.0 3,148
Remarks: maximum load
