Anybody use Accurate Arms 1680 in a 223 with 52 gr bullets? How does it shoot? I have info from them for loading it, but what charge have you found to be the best?
Need to use up this powder so TIA!

One more thing. I'll be shooting this out of an AR. Any problems with function or rim lifts in AR15s with this powder?

Sorry, never tried it in an AR. But I shoot the bejesus out of it in a .25-20, a .357 Max, and a 7.62x39. That's mighty good stuff to be burning in a marginal application.

Just having it seems to me to be a fine excuse to buy one of those, or a Hornet or a Bee or a Fireball or a .30 Carbine or a .32-20 or a .256 Mag.