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Showing results for tags 'aa7'.
I've tried AA#7 a few times over the years in various open guns but have steered away from it each time due to it being dirty and worried that it would hurt the reliability of my gun. Earlier this year, I worked up some major PF 9 loads for my CK gun with MG 115 & 124's. Gun tracked great with these loads, but I had 1 malfunction where some of the unburnt particles got into my trigger bow area and limiting trigger travel so that I could not break shot. Not for me... I found the particle in the trigger bow area and saved it. Looked like a tiny blackened piece of corn cob. I've
Lots of cracked slides these days caused by less than perfect metallurgy, hardness, fitting, etc.. compounded by high pressure 9major loads. My goal in developing a great load is to maximize performance while NOT destroying me or my gun. The common sense recommendation is to use a slower powder to reduce case pressure. OK, slower powders measured & ranked how? Powder manufacturers charts are considered 'guidelines' as to 'relative' burn rates, and should maybe be considered most accurate with their own product? Add to this, the different burn rate charts available have