The Beretta PM 12S sub-machine gun is a 9 mm Parabellum blowback weapon which has both semi-automatic and full-automatic fire capabilities. The telescopic bolt, which encloses the barrel (200 mm long) for three quarters of its length, makes the weapon very compact and reduces to a minimum the upward movement of the muzzle during firing. This Barrel is An Original replacement part, Used good condition

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