I currently have the lee 55gn boolit mold for my 1/8 twist AR and am looking at my choices for heavier boolits. The two I have been looking at are the NOE 225-70-RN and the MP 227 -75 GC Nato. So I guess the question is what experiences and preferences do you guys have between these or even similar design boolits for the 223/556 nato chamber AR? As a side question what is the difference between the two designs besides the little bit of weight difference? I have only used Lee 2 cavity molds so this will be my first venture into quality molds and if the MP then first brass mold as well. Any input is appreciated thank you.