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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 of this type ever produced. It was developed by Mateba, based in Pavia, Italy. Emilio Ghisoni (d. 2008) is listed as the owner of US Patent #4,712,466 which details the operation of the weapon. ==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.〔(Mateba Model 6 Unica. ) Retrieved on August 19, 2008.〕 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.〔(Mateba, the future of revolvers?. ) Retrieved on August 19, 2008.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mateba Autorevolver」の詳細全文を読む スポンサード リンク
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