| The Mateba Model 6 Unica belongs to a very unusual class of weapon. Combining the attributes of both revolvers and self-loading weapons, the Model 6 is an “autorevolver.” This gives the Mateba a semi-automatic action with the ability to fire powerful loads such as the .357 and .44 magnum. The upper part of the weapon, containing the barrel, sights and cylinder is mounted on rails in the lower part of the weapon, containing the grip, hammer and trigger unit. Firing the weapon causes the upper part to recoil on the rails, recocking the hammer and rotating the cylinder ready for another shot. This bypasses one of the major disadvantages of a revolver, the heavy double action trigger pull if the hammer is uncocked.
The barrel of the Model 6 is aligned with the lowest round in the cylinder rather than the topmost. This lowers the bore axis to bring it in front of the hand, reducing muzzle flip and increasing accuracy. The barrel on the Mateba is easily removable, and is available in many different lengths and three different calibres. This Model 6 has a 205mm barrel and is chambered for .44 Magnum. | 
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