Hi Webleyboy,
i have some datas from the DEVA institut Book for the 6,5x54M.-Sch.
So you can bee sure that the source is safe.
All loads are MAXIMUM LOADS !! Its recommended to start 5% less.
1.Load
Bullet:KS from RWS 127gn
Powder:N140 38,0 gn
Primer CCI BR 2
Case:RWS
OAL:70,5 mm
Speed:800 V3 m/s

2. Load
Bullet:Nosler Partition 140 gn
Powder: N 140 36,0 gn
Primer: CCI BR 2
Case:RWS
OAL:74,0 mm
Speed:755 V3 m/s

I have some other reloading datas for this caliber,but with other powder like R903 and with more heavy bullets.
If you would have them,please send a message.
Regards,
Swampfox