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06-21-2015 12:10 AM

8 Likes on 8 Posts 


  • Retired aerospace engineer
  • Tucson,AZ, for now
  • shooting, reloading, music,
  • retired


  • Posted in thread: Case length? on 06-26-2015 at 09:45 PM
    >Consistent length is the key to a uniform crimpThat may be true, in some absolute sense, but
    does it matter to the rifle? I have not found ANY reduction in average group size by worrying
    that all cas...

  • Posted in thread: Case length? on 06-12-2015 at 06:59 PM
    Your gun is not going to sense a 0.008" difference. The only thing that could effect accuracy
    is crimp consistency, and I have never found there to be any measureable difference in average
    group size ...

  • Posted in thread: Lee loadmaster question on 04-22-2015 at 05:28 AM
    Go to the "Load Master Zone"

  • Posted in thread: A Short Note on Over All Length (OAL) on 04-22-2015 at 05:25 AM
    Why use overall length (OAL) for Cartridge Overall Length (COL). Everything has an OAL, but
    only a cartridge has a COL.Per Ramshot:"SPECIAL NOTE ON CARTRIDGE OVERALL LENGTH “COL”It is
    important to not...

  • Posted in thread: Simple question on 03-12-2015 at 01:03 AM
    It will probably go BLOOP, just like a part/open crimp.

  • Posted in thread: .308 178g IMR 4064 max charge discrepancy on 01-31-2015 at 03:27 PM
    >While I do think I started a bit high on my initial charges(40.0), starting at 33.6 grains IMO
    would've been a waste of components in this case.Better than damaging a gun or yourself.Early
    in my relo...

  • Posted in thread: Another bullet question today... on 01-25-2015 at 12:55 AM
    Believe it or not, jacketed bullets are good for +/- 2gn and cast bullets are good for at least
    +/- 4gn of bullet weight. It is the load workup, based on the exact lot numbers of the
    components used a...

  • Posted in thread: .308 178g IMR 4064 max charge discrepancy on 01-24-2015 at 04:38 AM
    Going with the highest starting load is not the best way to go. There is no best manual. They
    all test pressures per SAAMI procedures, so they are all correct—for their test gun and lot
    numbers of com...

  • Posted in thread: Reloading Cast Bullets on 01-07-2015 at 09:51 PM
    1) M-die is NOT needed. It can help, however.2) Most commercial bullets are too
    hard—18-22 BHN, where 9-13 BHN is all that is needed.3) For hard bullets, fit is more
    critical. I would try 0.002"...

  • Posted in thread: a few ballistic confusions on 11-12-2014 at 07:17 AM
    Single base powders are basically nitrocellulose, with additives to control burn rate, muzzle
    flash, and other things. There are coatings and there are ingredients mixed into the
    nitrocellulose.There ...