The "OSA" complex (PB-4-1ML) is a self-defence weapon capable of reliably defending against attack, and at the same time, carrying a minimum risk of inflicting serious bodily harm to the attacker.
OSA" complex consists of a four-shooter barrelless pistol PB-4-1ML, as well as a wide range of cartridges with electric initiation method, designed both for self-defence and special tasks.
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