1 1357MAG Well-Known Member Joined Dec 18, 2009 Messages 91 Location NJ Feb 25, 2010 #1 Hello all, I am looking for and AR upper for my S&W M&P lower. I am undecided on what caliber, but am leaning toward 223 Rem. w/ a 20" or longer barrel. Thanks.
Hello all, I am looking for and AR upper for my S&W M&P lower. I am undecided on what caliber, but am leaning toward 223 Rem. w/ a 20" or longer barrel. Thanks.