9 X 63 HESSMER BERLIN (MAUSER)

First mentioned in the 1906 DWM case book with case # 491D for Jul. Hessmer Berlin and also listed by RWS. (Dixon Ref. M38)

  

    

The #491M was mentioned by DWM in 1912 for an Automatic “W.F.Mauser” rifle. The DWM case book states that these cases intended for the automatic rifle have a groove in the area of the bullet as well as a heavier load than the 491D case.