Yes, .005 difference but based upon the number of shot in an ounce it tells you that 7.5 shot is 17% heavier than a number 8. That is a lot more knockdown power.

1 ounce/350 pellets = .00285702 ounces/pellet 1 ounce/410 pellets = .002439 ounces/pellet 7.5 pellet = .000418 heavier .000418/.002439 = .17138 = 17% heavier (math majors, please check this reasoning)

Back in the day when there were plenty of quail, and don't frown on this, we did shoot rabbits when we jumped them bird hunting. Dogs would even stand them. I always used 7.5 as my quail shot and to bring down rabbits. Oh the good old days. Gone forever here.

I've always favored #7 1/2 for doves and quail both. I've been shooting #7 this year because I bought a couple of bags to try. Lots of my white wing shooting is high flyers and I have resorted to #6 and full choke on occasion! Thought I'd try the slightly larger shot...... can't really see any difference. Seems the biggest factor is my shooting on any given day.

Yup! What he said!!