Here are photos of my S308 barrel threading to M17x1 adventure! I started by removing SGM bolt on break (which I'm selling in the classifieds) to expose the front sight block.
I then knocked out the pins and used my makeshift aluminum punch (.410 snap cap) to knock the front sight off the barrel.
I then bored out the back of the front sight by .04" by going around with a dremel grinding stone. I know it's not precision work, but it's just the front sight and it's an AK. In hindsight, I would have sent it to Dinzag to have it done because of the fast turnaround time and the