Favorite AR15 (223) powder?

Dave H.
[subject]
Wednesday, March 18, 2026, 07:41 (15 hours, 25 minutes ago)

I have acquired a Ruger AR556, and while I have a lot of experience loading for the 222 in a bolt gun, I am interested in your favorite powder for your AR15/223. I'd like to cut down as much as possible on experimenting. This one has a 1x8 twist, so I'll be shooting 55s-77s (mostly 62s+). Appreciate your experiences and thoughts.

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CFE 223 OR AA2230

Brian T
[subject]
Wednesday, March 18, 2026, 10:00 (13 hours, 6 minutes ago) @ Dave H.

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Imr4198 , h4895.

SPB
[subject]
Wednesday, March 18, 2026, 10:03 (13 hours, 3 minutes ago) @ Dave H.

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AA2230

Randy Barnett
[subject]
Wednesday, March 18, 2026, 11:19 (11 hours, 47 minutes ago) @ Dave H.

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I have several pet loads that I have used since

Gary Reeder
[subject]
Wednesday, March 18, 2026, 11:34 (11 hours, 32 minutes ago) @ Dave H.

1978 and on. There are probably a lot of special new powders but I try to stick with what works for me. These loads run fine in my Armalite AR-180 and AR-15s.

748..26 gr.....55 grain spitzer..3300 FPS...my best all around load

BLC2.. 27 gr.. ...55 gr FMJ...3245 FPS

RE-7..22 gr....55 gr HPBT...3150 FPS

4198....21 gr....50 grain spitzer.......my most accurate varmint round

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