Not a good Idea max load for 2205/4227 is 22.5 grains better to start at 20.0 grains and work up you only need to load 3 of each to check pressure and accuracy
to start, That is what I do and then shoot 10 shot groups to fine tune the load, Standard loading practise with Cast bullet shooters, But then I make them so no great expense,
Hope they go well for you, watch your angles if shooting with dogs at full velocity they may pass through the 280 grain FP do at 900fps you could be getting 1500fps with the 270
would like to see some pictures if you recover any from animals, Cheers Robert.
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