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1案件简介1998年2月6日,湖南省某医院于某在家属区里被杀,现场提取“51”式手枪弹头、弹壳各一枚,由于现场提取“51”式手枪弹头没有线膛痕迹,需区分是制式“54”式还是仿“54”式手枪发射。检验发现:弹头没有线膛痕迹,弹头表面的擦划线条与弹头中心轴平行,线条没有明显旋转方
Brief introduction of the case On February 6, 1998, a hospital in Hunan Province was killed in a certain family member area and a “51” type handgun warhead and a shell were taken on the spot. As a result of on-site abstraction of the “51” Need to distinguish between the standard “54” or imitation “54” pistol launch. Test found that: warhead no breech marks, warhead surface of the scoring lines and central axis parallel to the warhead, there is no obvious line of rotation