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I loaded and shot a few different .223 loads of Frangible bullets from an AR15 today. I like to thank Doug again for the bullets and the loading advice.
I didn't really do any accuracy testing, we were shooting off wood blocks.

Everything I loaded shot less than 3" at 100yds.
55gr Sinterfire
22, 22.5, and 23 grains of H335
45gr Sinterfire
24 and 24.5grains of H335
New PMC Primed brass
OAL 1.191

Didn't know PMC was producing brass for the 5.7. Is this new? Oh- looked at the powder... Been a long day/disregard the question. Can I use senility as an excuse??

Im guessing this is w/ .223?

Yeah, .223. We were both shooting AR15s.
My buddy found 2500 pieces of primed brass for $350 about a month ago.

Only thing that was a little frustrating is that the 55gr bullets didn't want to sit still on the brass when I was seating them, if you can call that a gripe at all. :laugh: