Taylor Murphy Posted September 23, 2012 Share Posted September 23, 2012 Guys I worked up some loads for my 4.5" M&P and I've got a few questions about my loads. I'm loading 125 grain with a 1.130 OAL and 4.5 grains of powder. I'm having trouble getting these loads to make 130 power factor. Most of these loads are chronoing in the range of 990 to 1020 fps. Is this just a weak batch of Solo or am I missing something? Any help would be much appreciated, the plan right now is to work up some 5 grain loads and see how they chrono. Link to comment Share on other sites More sharing options...
Merlin Orr Posted September 23, 2012 Share Posted September 23, 2012 IF 4.5 is "iffy" but sometimes makes major I would go to 4.6 or 4.7 rather than going to 5.0...... To me .... that seems to be to large a bump up in the powder... Link to comment Share on other sites More sharing options...
Taylor Murphy Posted September 23, 2012 Author Share Posted September 23, 2012 Yeah that's kind of what I was thinking, I'm going to work them up slow it just seems this batch is awful slow. Link to comment Share on other sites More sharing options...
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