I have a gun I'm having a little bit of trouble with. It is a browning a bolt with BOSS. I am having about 4" of horizontal stringing happening. My vertical is less than an inch. When I was shooting the other day I noticed that the barrel wasn't free floated. Can this cause the horizontal stringing? I ran the OCW twice and I came up with 63.1g of IMR-4350 both times. I didn't have this horizontal stringing before. I found the action screws loose, so I tightened them to 35lbs. I have no idea what it was set at from the factory. It's a wood stock by the way. The first 2 OCW's I ran, 63.1g gave a little less than 3/4" groups, nice and round. I checked the scope mounts and they are tight. I think the scope might be ok cause the gun kicks like a kitten, and I didn't drop it or nothing. This scope has always held its zero for the last 15 years. I know horizontal is usually caused by wind or the shooter. I am capable of shooting at least 3/8" groups on a rifle that is capable. I am very conscious of making sure I have the same rifle placement on every shot, and my body positioning is the same. Any ideas that can help the horizontal spread?