Difference in 3” and 3 1/2” poi

[slave601]

Has anyone ever seen a difference in poi when shooting a 3" vs 3 1/2? Same brand shell, shot size and of course same gun? Per say apex #9s in 3" and 3 1/2s

[rakkin6]

Wish I could help but I have up on the 3 1/2" shells years ago. My fillings were taking a beating lol. But I would say if you are going from 3" to 3 1/2" you should be good since you have a 1/4 ounce more shot. But I would still pattern since I am an anal retentive type person. I would say just fire one shell at 40 yards and make any minor adjustments

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[owlhoot]

Any change in loads can cause an impact shift.
Always shoot to confirm is good advice.

[Which Gun]

My mossberg 930 shooting 3" shells has different impact with federal tss and 3" Winchester xx turkey loads. Must pattern to find out.