09-18-2017, 08:31 PM
StoneHendge Wrote:Use a heat gun / hair dryer on your upper receiver.
Yesterday I put a light coat of RIG on the barrel, set the receiver on chunk of 3/4" plywood and tapped the end of the barrel (with the red plastic protector) twice with a piece of 1x6. Seated it well without much force. Still need to install barrel nut and agb but so far so good, I think.

