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The books told me I could get a higher velocity with the 2209 than 2208, and plus I happened to have already have some. But you could make a decent load with 2208 if that's all you got.
The max...

Whanganui,

I used a load of 95 grain SST and 42 grains of 2209 out of my Brno with a 23 inch barrel.
With the bullets just off touching the lands this load chronographed 3020 fps, and shot three...