Originally Posted by ellenbr
Axel E.: on the subject

>>The old „Bleistiftpatrone = pencil cartridge“ 6.5x70R (...) was a pure roebuck number with ballistics comparable to the .25-35 Win. It used 6.64 mm = .261” bullets like several other German “6.5” cartridges. A handloader may use Hornady .258” 117 gr bullets and 28 gr 4064 for about 2200 fps.

For those who wish to reload, Reichenberg gives data for several bullet weights of their monolithic drive band (or, as you will, radially grooved) HDB bullets. The lighter weights are a bit more recommended:

www.spezialgeschosse.de/lade-info/Ladedaten/6_5x70R.html

Carcano