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3inch 1oz steel in 20guage.


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best I can do is below but its plenty enough shot speed is key

 

Fedral 3" composite base

Winchester 209

Alliant Steel powder 26 gr

"SAM 1" 20ga 3" + 2-(1/8" felt spacers 1 under steel 1 over) BB and smaller steel

3/4 oz steel shot

FPS 1475

PSI 9100

 

fiocchi 3" grey plastic base

win 209 or fiocchi 616

Alliant steel 23gr

SAM 1 20ga 3"

15/16 oz steel shot

FPS 1350

PSI 9500

 

 

139 no.3 AM per 7/8 oz and 90 in no.1 AM

 

 

Use at your own discretion this is published tested Data

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