I've been shooting 12 ga. #1B Flight Control loads in multiple shotguns for a long while now. Occasionally, they exhibit behavior that puzzles me and I would like to know if it is normal.
Specifically: Every few shots the buckshot load essentially stays in an incredibly tight group, say 4 inches at 50 yards. I know we don't want a true "scattergun" but spreading the pattern at least a little strikes me as more useful. Otherwise, I should just shoot slugs. I definitely see this most in guns with cylinder bore choking and much less in modified choke barrels. My hypothesis is that in a cylinder bore the wad is minimally disturbed as it leaves the barrel and the load is very nearly a solid mass semi-contained in the wad. Converesely, the modified choke might squeeze and release the pellets to produce what I consider nearly ideal patterns.
So, is this a feature of the Flight Control® wad or an annoying bug? Thanks for any good info on this.