Can you change different AR-15s' stocks?

Absolutely. The AR platform is the absolute king of interchangeable parts. There is one special consideration, though, specifically related to stocks. AR rifles can have either a commercial buffer tube or a mil-spec one. read more

I can go down to those lengths. I have to carry paperwork with the gun anywhere I take it. Upon any law enforcement officer asking, I have to produce that paperwork. I figured the stock I wanted on it and added the 7.5″ minimum barrel length I will ever use. That stock will never be taken off the gun. read more