Quote Originally Posted by jonbearman View Post
I just have one question, does your colt lower have the larger take down pins and how do you get around that if you don't mind explaining?
Take down pins are the same on Colt as any other AR15. In some cases, the trigger pins are different.
I ended up building an upper (this thread is 2 months old) and had no issue with assembly onto my Colt lower.