TurboTwinky28 the most likely culprit is pixelsize, I'll try and fix it, but it requires making the barrels a lower pixel count, which will reduce quality drastically.
Also I'm a idiot and removed the readme when I put the Yamato turret into a separate mod, so I will have to add one again next time I try and fix it.
basically, its an error that I can't really fully fix without remaking the weapon, it's to do with me having made the barrels face to the right, instead of pointing up in the files, this would apply to everything but the other sprites are much smaller so they are not affected.
Edit: it does not help that I can't replicate the bug, so you would have to check that It fixed it.