钢笔手枪的来龙去脉无处查询。这要追溯到本世纪初出现在美国大城市中黑人居住区的第一批钢笔手枪。不过,那时候钢笔手枪的外表与钢笔相差甚远。钢笔手枪的称谓只是近些年的事情,因为它的做工质量和隐匿性都有了很大的提高。 The context of pen pistol nowhere inquiries. This dates back to the first pen-type pistols that appeared in the black settlements of major American cities at the beginning of this century. However, at that time pen pistol appearance and the pen is far different. Pens pen titles only in recent years, because of its work quality and occult have been greatly improved.