弯管枪在第二次世界大战结束前,美、英、苏盟军部队在攻克柏林的巷战中,发现德国士兵使用了一种神奇的弯管枪,其结构和功能十分奇特。使用这种弯管枪时,整个人可以隐蔽在墙后,枪管则沿墙 Bend gun Before the end of World War II, the U.S., British and Soviet Union Army forces in the street fighting in Berlin, found that German soldiers used a magical pipe gun, its structure and function is very strange. When using this elbow gun, the entire person can be hidden behind the wall, with the barrel along the wall