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国产77B2式9mm外贸型手枪保留了77B式9mm手枪的主要特点,并增大了手枪的容弹量,增加了弹膛有弹指示器。
Domestic 77B2-type 9mm foreign trade-type pistol retains the main features of the 77B 9mm pistol and increases the capacity of the pistol bullets, an increase of bullet bomb indicator.