Building an AR 15 input please

[Gatorade]

Originally Posted by GD2A

I bought a good one first (Colt 6920) so I'd know what mil spec correct is when in came time to build. Assembling the lower is pretty straight forward ... especially if you do it with an experienced friend (thanks, Charlie). I bought a complete BCM upper for that lower - their stuff is freakin fantastic!

Yeah lowers can be built pretty quickly, the upper, specifically attaching the barrel to the receiver is the hardest part. Glad I was able to help you Matt!