I have a Remington 700 .300 Win. Mag. built around 1966. It was a gift to me about 10 years ago from a family friend who bought the rife new when I was in early grade school. I can still see those huge cartridges laying on the deer camp table next to my .22 rimfires ! I had the rifle ported and glass bedded when I received it. Accuracy has been going downhill steadily. I have a Leupold VXII 3-9X on it. Groups have increased to 5" at 100 yards. I sent the scope back to Leupold(it checked out fine), tried different ammo, etc. Anyway, brought it to a well known gunsmith where I have had work done in the past. The throat is shot out. So, I have a new stainless steel barrel coming, and the gunsmith will "blueprint" the action (also cerakote the action and barrel, add a muzzle brake and a new recoil pad to the original BDL stock). Anybody ever have this done ? What can I expect ?