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I managed to get just over 2400 fps out of 135gr flat points in a 16" barrel but pressure signs were starting to show with flattened primers and hard extraction. I think if we had tried some other powders it might have been possible to squeak a few more fps out of it with lower pressure but we weren't that interested in pushing it too much. The main point was to see if we could equal some 30-30 loads that were used for deer hunting in "olden times" like in the 60's. We did that and blew up some waterjugs for fun as well. I think also that using .221 cases might allow some more powder to be used which we were unable to do with converted military .223 brass. That might keep the pressure lower and the velocity up but the numbers quoted look much higher than real to me too.....
Frank
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