一般大家推荐的PSA管子的介绍都是“Barrel: A proprietary blend of Hammer forged chrome molly vanadium made by FN that is referred to as "Machine Gun Steel" by virtue of its required use in FN's M249 and M240 weapons. ..."
我看了一个7寸9mm短管,只写了"Barrel: 7.5" chrome moly steel barrel" http://palmettostatearmory.com/p ... rid-bcg-and-ch.html
请问是不是这种管子从来就没有"Machine Gun Steel"?如果从来没有,我就不等了,谢谢
而且这个链接里面没提任何导气长度的问题啊。。。