29.4 gn Lever and a 105 Berger or RFD is my pet load for my gas guns, some of that brass has been loaded 10-12 times, have yet to loose a case. I have not even popped a primer out of the case yet. I keep my bolt gun and gas gun brass segregated from each other as both require different sizing technique. Check you scale with some check weights to make sure it is not telling you any lies.
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If you can not see the tyranny of having a gun ban enforced by men with guns... Then you fail to understand why the second amendment was written in the first place.