+1 for 4064. I have about 8 lbs of it for 223 and 308. Thats the powder i use for them. I have imr 4320, varget, H380 and 3031 on reserve. My main load was 178 amax with 44.4 grain varget cci large rifle primers lc cases trimmed to 2.008 and bullet seated way out there at 2.31 on the...