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Old February 4, 2013, 03:15 PM   #5
Nathan
Senior Member
 
Join Date: July 1, 2001
Posts: 1,882
Primers: what are Benchmark primers? Benchrest? For 223 in an AR, I like CCI #41's. in the current shortage, I would use any Sm Rifle Primer. Primers don't matter much in an AR, except in preventing slam fires which the #41 does best.

Powder: I would not use surplus powders. I would use Benchmark, CFE223 and the like. VARGET does not meter well, but is a good powder. It also give compressed charges...which sometimes overflow the case neck. This is why VARGET is not used by me.

Do you have bullets? If not, I would hang this project on a hook for 3-6 months.

Your trimming sounds excessive, but fine.
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