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Additional research on muzzleflash

Discussion in 'TOP GUNS *357 Sig* Club' started by jeffreybehr, Aug 21, 2011.

  1. jeffreybehr

    jeffreybehr Silver Member

    765
    3
    Mar 14, 2009
    Phoenix, AZ USA
    I've completed a new batch of research on muzzleflash of personal-defense loads for the 357SIG. It confirmed last year's research and produced a pleasant surprise that's almost useful for 357SIG reloadists, that being Vihtavouri N105. Details are at
    http://jeffreybehr.zenfolio.com/p626353596


    Here are a couple teases.
    About the worst powder I tested, Longshot.
    [​IMG]

    About the best, Accurate #7.
    [​IMG]
     
  2. unit1069

    unit1069

    8,159
    188
    Oct 10, 2007
    So. Central US
    Do you happen to have an opinion on the lowest flash of the most popular factory premium JHP self-defense rounds?

    I own a G-32 and I can't ever remember firing it during dusk, darkness, or low light conditions.
     


  3. jeffreybehr

    jeffreybehr Silver Member

    765
    3
    Mar 14, 2009
    Phoenix, AZ USA
    Unit, if you look at the pics in both muzzleflash albums...
    Last year's http://jeffreybehr.zenfolio.com/p548446203
    ...and this year's http://jeffreybehr.zenfolio.com/p626353596

    ...you will see that I've tested 3 357SIG commercial PD rounds, the Speer Law-Enforcement load #54234, a 125g. Gold Dot; the Winchester USA 125HP; and the Fiocchi Extrema 124g. XTP. The Speer round produced about as little MF as the best reloads, while the Winchester and the Fiocchi rounds produced HUGE balls of fire. ('Tis rather obvious that neither Winchester nor Fiocchi ever thought about reducing MF in these PD cartridges.) I suggest the Speer Gold Dot round, either the commercially available one in (expensive) 20-round boxes or the more-affordable LE version detailed at the ATK sight...but seems I can't find that now.
    http://www.speer-ammo.com/ballistics/ammo.aspx