I have used CFE in at least 6 different rounds and it has performed good to great in all so far. It really shined in my 22-250 giving 3900+fps with 52gr Berger's.
I bought the 5 in1 so I guess you would call it the .223 family. Just got it last friday and so far I have only used it on 100 .223 cases and it worked just fine.
I only clean if I am changing from one type of powder to another but not bullet types/brands. I have also seen it take a couple of shots after cleaning for the load/barrel to settle back down. I do try to not let the barrel get too warm.
I emailed Nosler and they responded saying that the B.C was .252 on the 6mm 55 grain SHOTS. That surprised me from just looking at them. I am wondering now if they did not give me the B.C. on the .22 caliber 55gr SHOT bullets which I have heard they make.
I have tried them in (3) 6mm calibered guns so far and they have shot good in two and one not so good. What's funny is the gun that I thought they would shoot in for sure because of a 1/14 twist they were dismal but maybe I have not tried the correct powder yet. My 1/12 twist 6X45mm and my...