I know smaller ammunition, such as 9mm and .22 LR will fit in an AR-15 lower. I don’t really know what else can fit in an AR-15 lower though. Can someone please school me?
I know smaller ammunition, such as 9mm and .22 LR will fit in an AR-15 lower. I don’t really know what else can fit in an AR-15 lower though. Can someone please school me?
https://www.m4carbine.net/showthread.php?t=51682
See this thread. Same basic question.