Hartmann & Weiss
 Hartmann & Weiss GmbH is a Hamburg-based custom sporting firearms maker founded in 1965 by two ex-James Purdey workers. They make sporting arms including shotguns over and under falling block single rifles and bolt action rifles based on Mauser-98 and several other modern actions. They have produced small numbers of double rifles in calibers from .375H&H to the .600 Nitro Express.