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1992年12月,市检察院二处送来重庆产上下排双筒猎枪一支,现场弹壳一枚。要求我们鉴定现场弹壳是否这支猎枪击发。我们改变了正常检验枪弹的方法,将工痕检验的方法移入到枪痕检验中去,获得了成功,使这起案件得以及时、顺利地起诉。初检遇到的难题送检的猎枪枪号为 CA891053,上枪筒击针有油质并有锈蚀,不能击发,下枪筒击针无油质并呈金属击针本色,击针弹黄软,可击发。枪筒直径约20mm。现场弹壳只有底座部分,为铝质金属制作,高10mm,
In December 1992, the Municipal Public Prosecutor’s Office sent two chucks of a double-barrel shotgun at the top and bottom of Chongqing to produce a live shell case. Ask us to identify whether the shotgun is live shotgun. We have changed the way we normally test bullets and moved the work-piece test method into the gun-mark test, succeeding so that the case can be promptly and smoothly prosecuted. First inspection problems encountered Seized shotgun gun number CA891053, the gun barrel shot needle has oil and rust, can not be fired, gun barrel needle without oil quality and was the nature of the metal firing pin, the firing pin yellowish soft , Can be fired. Barrel diameter of about 20mm. On-site shell only part of the base, made of aluminum, 10mm high,