06-14-2011, 05:28 AM
rcd567 Wrote:I've got a Grendel upper built using an AA billet upper w/Charging handle. Barrel is a Satern 18". YHM railed forearm, YHM flip up front site combo gas block. I've been chasing problems with it until I'm done tired.
I'd like to send it to someone to get it up and reliably running. Any suggestions?
What problems are you having?
