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Mateba Autorevolver


Mateba Model 6 Unica (Dynamic Sportiva)

The Mateba Model 6 Unica
(often known simply as the Mateba or the Mateba Autorevolver) is a recoil operated semi-automatic revolver, one of only a few of this type ever produced. It was developed by Mateba, based in Pavia, Italy.

Emilio Ghisoni (d. 2008) is listed as the owner of U.S. Patent 4,712,466 which details the operation of the weapon.

As of March 23, 2018 Mateba in Montebelluna, Italy has reintroduced the 6 Unica and Grifone Carbine. TFB went to IWA and saw the MATEBA booth.

Mateba is making the Unica in .357 and .44 Mag only.

Design
The Mateba Model 6 uses the recoil from firing to rotate the cylinder and cock the hammer, unlike conventional revolvers, which depend on the user physically pulling the trigger and/or cocking the hammer to actuate the weapon`s mechanism of operation.

The Mateba Autorevolver`s barrel alignment is different from most other revolvers. The barrel is aligned with the bottom of the cylinder instead of the top. This lowers the bore axis (line of the barrel) which directs the recoil in line with the shooter`s hand thereby reducing the twisting motion or muzzle flip of normal revolvers.

The gun`s entire upper assembly (barrel, cylinder and frame) are mounted on rails on the lower frame, which houses the trigger, hammer, and grip, and recoils 1/2 of an inch, or 12.7mm, on firing. The rearward motion of the upper assembly cocks the hammer, and the cylinder is rotated on the forward stroke. This unique action makes this revolver a semi automatic weapon, making it one of only two semi automatic revolver designs, the other being the Webley–Fosbery Self-Cocking Automatic Revolver. Making it, in its .454 Casull chambering, the most powerful semi automatic handgun ever produced.

Variants
The following are variants of the Mateba revolver:

- Defense - 4" Barrel, .357 Magnum

- Home Protection - 5" Barrel, .44 Remington Magnum

- Dynamic Sportiva - Either 5" or 6" barrel, .357 Magnum

- Hunter - 8 3/8" Barrel, .357 Magnum (.38 Special) and .44 Remington Magnum (.44 S&W Special)
In addition, their barrels can be changed with interchangeable 3", 4", 5", 6", 7" and 8" inch barrels.

- Mateba Grifone

Also available was the Mateba Grifone, which mated an 18-inch barrel, hand guard and butt stock to the Autorevolver`s frame and action. It was available in .357 Magnum and .44 Magnum. A version in .454 Casull was available which also allowed .45 Colt ammunition to be fired.

Multiple cartridge capabilities
Mateba Autorevolvers chambered in .357 Magnum can be loaded with .38 Special ammunition. Typical .38 Special loads do not have enough power to fully cycle the recoil mechanism, but the weapon will still function with a double-action trigger pull. There are two optional recoil springs designed specifically for .38 Special cartridges that can be installed by the operator to overcome this problem (.38 Special and .38 wadcutter). Replacing the spring requires the removal of the slide assembly, which is blocked by a retaining pin held in place by a small set screw in the triggerguard. The barrel shroud acts as the spring keeper and guide rod bushing.

Autorevolvers chambered in 44 Magnum can have the recoil spring swapped out to shoot 44 special and 454 Casull can fire 45 Long Colt with a spring swap.

Mateba 6 Unica semi-auto revolver

Weapontype:
Automatic revolver

Manufacturer:
MA.TE.BA. Arms (Macchine Termo-Balistiche), via Villa Serafina, 2/B. 27100 Pavia (Italy) MATEBA Montebelluna, Italy

Operation:
Recoil operated semi-automatic revolver

Cartridge:
.357 Magnum, .44 Magnum or .454 Casull

Weight:
2.96 lb (1.35 kg)

Length:
275 mm (10.83 in)

Barrel:
152 mm (6 in), 76 mm (3 in), 102 mm (4 in), 203 mm (8 in)

Feed system:
6 round cylinder

In Production:
1997—2005, 2018—present

Sights:
Iron sights Fixed Two-Dot Night Sight

 

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