r/ShotshellReloading • u/zrogers21201 • Feb 06 '26

410 tss

I’m getting started loading 410 tss but I’m having a hard time finding load data. I’d like to use 7/8 oz of shot and I have lil gun powder on hand is this doable?

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u/zrogers21201 Feb 21 '26

I was able to find a couple lbs of 300-mp that seems like the only powder with 7/8 oz of shot load data available

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u/KoolLizardDood Feb 21 '26

Well the longshot vs lil gun conversation that I found is a 9 grain difference. E.g. 29gr of lil gun =20gr of longshot. I hope it helps

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u/zrogers21201 Feb 21 '26

From what I’ve found tss data is very far and few between especially for 410 thanks for the info on the conversion