I loaded a 20,000 round batch of 223 using CCI S R Mag. primers and 55 gr FMJ/BT Winchester bullets in 1984. Charge weight was around 26 gr, bot I don't remember exactly. I still have a few thousand left. Accuracy is 1/4 MOA in my Cooper 21 bolt gun and 1/4 to 1/2 MOA in 1996 Bushmaster AR and 2 to 4 MOA in my early 80's Stainless Mini-14. The powder meters like water. I have never noticed any excessive erosion like people complain about when using Ball Powder in magnum handgun rounds.

If you pay attention to the details you will find that you have discovered your new AR powder!

I bought it in the 8 & 15ish pound containers @ about $7.00 a pound, primers were about $7.00/1000, bullets were $8.99/1000 and used brass were $4.00/100 to $15/500 back then.

$.025 Powder
$.0089 Primer
$.04 Case
$.0089 Bullet

$.0828 cost per round reloaded. (sure wish I could load for that today!)

Ivan