Mateba Model 6 Unica

The Mateba Model 6 Unica (often known simply as the Mateba or the Mateba Autorevolver) is a semi-automatic revolver, one of only a few such models ever produced. It was developed in Italy and sold by the Mateba company. Emilio Ghisoni is listed as the owner of US Patent #4,712,466 which details the operation of the weapon.

Type	Automatic revolver
Place of origin	Italy
Production history
Designer	Emilio Ghisoni
Designed	1997
Manufacturer	MA.TE.BA. Arms (Macchine Termo-Balistiche), via Villa Serafina, 2/B. 27100 Pavia (Italy)
Produced	1997-2005
Variants	Variants
Specifications
Weight	2.96 lb (1.35 kg)
Length	275 mm (10.83 in)
Barrel length	152 mm (6 in)
Cartridge	.357 Magnum .44 Magnum .454 Casull
Action	Recoil operated semi-automatic revolver
Rate of fire	Semi-automatic
Feed system	6-Round Cylinder
Sights	Iron sights Fixed Two-Dot Night Sight