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Author Topic: SMP 842 Powder Data  (Read 1110 times)

Offline ernierod

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SMP 842 Powder Data
« on: 05:49 PM, 04/10/13 »
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  • I want to reload .223 and use 60gr to 70gr bullets. I have obtained a small quantity of SMP 842 and don't know an awful lot about this powder.Any experienced person out there to offer me some guidence on loading info?? Tnx


    Online jonbearman

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    • I live in new york state,how unfortunate !
    SMP 842 Powder Data
    « Reply #1 on: 09:17 PM, 04/10/13 »
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  • SMP842,What is it supposed to be close too?I have never heard of it.
    Jon  Lennon and Norman who is a german shorthair,my buddy!

    Offline Terry

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    The words of a mans mouth are deep waters, but the fountain of wisdom is a bubbling brook. Proverbs 18:4


    Online bigedp51

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    SMP 842 Powder Data
    « Reply #3 on: 05:52 AM, 04/11/13 »
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  •  WARNING!!! WC 842 is NOT the same as CFE 223: Here is why:
    http://www.ar15.com/archive/topic.html?b=6&f=42&t=372072

    Offline ernierod

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    SMP 842 Powder Data-223 (WC 842)
    « Reply #4 on: 06:09 PM, 04/15/13 »
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  • Barrel 16",1:8" twist,Sierra SMK 69gr .223 bullets (#1380),New Federal Brass and WSR primers.Started at 22 grs using SMP-842. In steps of .3grain, increased to 24.4grs carefully looking for any signs of pressure-none found. It became clear,with this particular bbl(Red-X bull) that perhaps a slightly lighter weight bullet,different brand bullet or powder might reliably produce 1" groups or better, at 100yds


     

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