Bob, I would test your 5400 loads after a night in the freezer to make sure they work in cold weather. That is pretty low pressure. If you get any off sound loads from the freezer, you may consider going to a slightly faster powder to get the pressures up just a little. On the other hand, the 5400 loads may be all you would want to shoot in the under eight pound gun. How thick are the barrel walls in your light gun?
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