I reload Winchester 572 for my 20 gauge loads. These are the loads I use. All taken off the Hodgdon Reloding Data Center and the first load Sent to Precision for testing by me.
16.8 Grns Winchester 573 Powder
7/8 Oz shot
Federal Top Gun Hulls
Remington STS 209 Primers
CB 1075 20 Gauge Wads
1199 velocity
7233 PSI.
The original Hodgdon load called for CB-1078 20 gauge wads, but the crimping was terrible, very hollowed out if you will. It was suggested I substitute that wad for the CB-1075 Wad and they crimp very nice. I sent this load to Precision before I shot it and the above are the tested result.
My other go to Winchester 572 load is as follows, and was taken off the Hodgdon Reloading Data Center. Not tested by Precision.
15.5 Grns Winchester 572 Powder
7/8 oz lead
Win 209 primer
CB 1078 Wad
Winchester AA Hulls
1150 Velocity
8100 PSI
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