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123 smk cfe
#1
Looking for a good load to start with. I have an ar setup looking for a hot load. Hornady brass Cci srmp thanks
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#2
You can start with 29.8gr and work up in .3gr increments. Max is 31.9gr with 123gr AMAX, so it might be a little less with the 123gr SMK since it is a longer bullet with more case intrusion, but shouldn't be far off.

What barrel make, length, and chamber do you have?
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#3
Barrel and chamber in unk. But it's 20"
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#4
Well started at 30 grains and got some good groups and hit moa on steel too 1200. But think I will try 30.5 or 30 after this match
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