buffer

Hello all, I'm building a 6.5 Creed Ar10 specifically for NRL hunter. I have a Proof 24" barrel with a rifle +2" gas system. The buffer system is next and after some research I'm not sure which direction to go. Would the A5 buffer system with the rifle +2" gas system make for a longer...

built an AR10 last year, and have 2 uppers - 308win and 6.5CM. probably only have a hundred rounds or so through each upper. 308win upper cycles pretty reliably, but more trouble with jamming on the 6.5CM upper. question - am I trying to do something that won't work (i.e. - common lower...