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Mateba

An Italian firearms manufacturer best known for low-barrelled, high-capacity automatic revolvers.

Last updated August 24, 2026

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Overview

Mateba was an Italian machine manufacturer and firearms brand whose name derived from the Italian expression “Macchine Termo-Balistiche,” or Thermo-Ballistic Machines. The company was based in Pavia and became associated internationally with an unusual family of revolver pistols developed under the leadership of designer Emilio Ghisoni. Unlike conventional revolvers, Mateba’s best-known designs placed the barrel unusually low, with the cylinder positioned ahead of the trigger guard. This layout was intended to reduce muzzle rise and improve controllability, while also allowing comparatively large-capacity cylinders. The company’s principal identity was established by the MTR, or Ma Teba Revolver, series. These were all-steel double-action/single-action revolvers designed in part for rapid-fire competition. Models included the eight-shot MTR-8 in .38 caliber, the twelve-shot MTR-12 in .32 caliber, and the fourteen-shot MTR-14 chambered for .22 Long Rifle. Competition-oriented examples could be fitted with barrel weights, reinforcing the brand’s focus on recoil management, rapid follow-up shots, and distinctive mechanical design. Mateba also produced the Model 6 Unica, commonly called the Mateba Autorevolver. Offered in several powerful handgun calibers, including .357 Magnum, .41 Magnum, .44 Magnum, and .454 Casull, the Model 6 used the company’s characteristic low-bore-axis arrangement. The brand’s other documented products included the MT1 .22 Long Rifle semi-automatic sport pistol, the six-shot 2006M chambered for .357 Magnum or .38 Special, and the Grifone carbine, an eighteen-inch-barrel derivative of the Model 6 Unica. The Grifone was offered in different configurations, including a .357 Magnum version with wood furniture and an over-folding barrel, as well as fixed-stock .44 Remington Magnum variants using stainless-steel and wood finishes. Mateba’s unconventional engineering gave it a strong reputation among firearms enthusiasts, collectors, and readers interested in unusual handgun mechanisms. Its products occupied a specialist rather than mass-market position, and the company’s distinctive designs were more influential as examples of firearms engineering than as high-volume commercial products. The original company eventually closed after a change in ownership and poor sales. It ceased operations in 2005, but a new incarnation reopened in Montebelluna in 2014 under the ownership of Domenico Libro. The later company did not remain active indefinitely. According to the referenced account, this second incarnation was shut down in 2022 amid allegations of fraud and violations of Italian firearms law. These allegations should be distinguished from a final legal finding unless supported by additional court or regulatory sources. Mateba is therefore best characterized as a defunct Italian firearms manufacturer whose historical importance rests on Ghisoni’s low-barrelled revolvers, the Mateba Autorevolver, and the brand’s highly recognizable departure from conventional revolver architecture.

History

Mateba originated in Italy as a machine-manufacturing company whose name was formed from the Italian words Macchine Termo-Balistiche. Its historical identity is closely linked to Emilio Ghisoni, who led the development of the company’s unusual revolver designs. Mateba firearms departed from the conventional revolver pattern by placing the barrel as low as practical, locating the cylinder forward of the trigger guard, and using cylinders with more capacity than was typical for many revolvers. The MTR family, meaning Ma Teba Revolver, represented the company’s competition-oriented work. These all-steel double-action/single-action revolvers were designed for rapid-fire shooting and could use barrel weights to assist stability. The documented range included the .38-caliber, eight-shot MTR-8; the .32-caliber, twelve-shot MTR-12; and the .22 Long Rifle, fourteen-shot MTR-14. The low muzzle position was intended to limit climb and support faster recovery between shots. Mateba expanded beyond the MTR line with the Model 6 Unica, generally known as the Mateba or Mateba Autorevolver. This design was offered in several magnum and large-caliber chamberings, including .357 Magnum, .41 Magnum, .44 Magnum, and .454 Casull. The company also produced the MT1 .22 Long Rifle semi-automatic sport pistol and the six-shot 2006M in .357 Magnum and .38-caliber versions. The Grifone was an eighteen-inch-barrel carbine derived from the Model 6 Unica. Available configurations included a .357 Magnum model with wood furniture and an over-folding barrel, along with fixed-stock .44 Remington Magnum versions using stainless-steel and wooden finishes. The brand remained a niche participant in the firearms market. Its designs attracted attention because of their distinctive mechanics and appearance, but the available reference material indicates that commercial performance was insufficient to sustain the original company. After an ownership change and poor sales, Mateba closed in 2005. A later incarnation reopened in Montebelluna in 2014 under Domenico Libro. This revival did not become a permanent continuation of the business. The referenced account states that the company was shut down in 2022 amid allegations of fraud and violations of Italian firearms law. Without additional court or government documentation, those matters should be reported as allegations rather than established findings. Mateba is consequently a defunct Italian firearms name remembered primarily for Ghisoni’s low-barrelled revolvers, the Model 6 Unica Autorevolver, and a small group of specialized sporting and carbine designs.

  • 2022

    Revived company is shut down

    [1]

    The later Mateba operation was shut down amid reported allegations of fraud and violations of Italian firearms law.

  • 2014

    Mateba is reopened

    [1]

    A new incarnation of Mateba reopened in Montebelluna under Domenico Libro.

  • 2005

    Original company closes

    [1]

    The original Mateba operation closed after an ownership change and poor sales.

Products and positioning

A specialist firearms brand centered on unconventional low-bore-axis revolver engineering, competition shooting applications, powerful handgun calibers, and collector interest.

  • Semi-automatic sport pistol

    MT1

    The MT1 was a .22 Long Rifle semi-automatic sport pistol. It represented Mateba’s participation in sporting-pistol manufacture alongside its better-known revolver designs.

  • Competition revolver

    MTR Series

    The MTR, or Ma Teba Revolver, family consisted of all-steel double-action/single-action revolvers developed for rapid-fire competition. Their low barrel position was intended to reduce muzzle climb, while barrel weights could be used to improve stability. Documented variants included the MTR-8, MTR-12, and MTR-14.

  • Competition revolver

    MTR-8

    The MTR-8 was an eight-shot member of the MTR competition-revolver family, chambered for .38-caliber ammunition. It used Mateba’s characteristic low-barrel arrangement and was intended for rapid-fire sporting use.

  • Competition revolver

    MTR-12

    The MTR-12 was a twelve-shot competition revolver chambered in .32 caliber. Its capacity and low-bore-axis layout reflected Mateba’s effort to optimize the platform for rapid-fire target shooting.

  • Competition revolver

    MTR-14

    The MTR-14 was the highest-capacity documented member of the MTR range, holding fourteen rounds of .22 Long Rifle ammunition. It was designed around the same low-barrel, competition-focused concept as the other MTR models.

  • Revolver

    2006M

    The 2006M was a six-shot Mateba revolver available for .357 Magnum and .38-caliber ammunition. It formed part of the brand’s broader revolver portfolio outside the MTR competition series.

  • Automatic revolver

    Model 6 Unica

    The Model 6 Unica, commonly called the Mateba Autorevolver, was Mateba’s signature low-barrelled revolver. It was offered in .357 Magnum, .41 Magnum, .44 Magnum, and .454 Casull. Its unusual configuration made it the brand’s best-known product among firearms enthusiasts and collectors.

  • Revolver carbine

    Grifone Carbine

    The Grifone was an eighteen-inch-barrel carbine derived from the Model 6 Unica. Documented versions included a .357 Magnum configuration with wood furniture and an over-folding barrel, plus fixed-stock .44 Remington Magnum variants combining stainless-steel and wooden finishes.

Controversies

  • 2022

    Allegations surrounding the final shutdown

    The later Mateba company was shut down amid allegations of fraud and violations of Italian firearms law. The available reference does not establish the outcome of any related proceedings.

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Brand decisions

  • 2014

    Re-establishment of the Mateba brandStrategy

    Background

    The original Mateba company had closed in 2005 following an ownership change and poor sales.

    Action taken

    Domenico Libro reopened a Mateba operation in Montebelluna.

    Aftermath

    The revived operation was later shut down in 2022 amid reported allegations of fraud and firearms-law violations.

Recent events

  • 2014

    Mateba reopens in Montebelluna under new ownership[1]

    Other · Leadership change

    Mateba was re-established in Montebelluna under the ownership of Domenico Libro.

  • 2005

    Mateba company closes after ownership change and poor sales[1]

    Bankruptcy · Other

    The original Mateba company ceased operations following a change in ownership and weak sales.

Sources1 sources

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