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J-Frame .357's vs Compact 9mm

Discussion in 'GATE Self-Defense Forum' started by hardeyes, Jul 21, 2010.

  1. hardeyes


    Jun 30, 2003
    Hello Mas,

    I have been thinking about the Ruger LCR 357 or Ruger SP101 for a SD revolver.

    But do these revolvers offer better stopping power over the G26, or Kahr PM9 compact autos with 3" barrels.

    What advantage (in a SD situation) would I gain picking a J-Frame 357 over a compact 3" 9mm.

    Carry load in the 357 would be 125gr hp's, and 115gr +P in 9mm.


  2. Mas Ayoob

    Mas Ayoob KoolAidAntidote Moderator

    Nov 6, 2005
    While the .357 Magnum is markedly more powerful than the 9mm in 4" barrel duty guns, the gap narrows somewhat in the subcompacts since the .357 Magnum cartridge loses markedly more velocity in a shorter barrel than the 9mm Luger. I've seen a 2" Colt Magnum Carry go down as low as 1220 foot-seconds with 125 grain .357 from an ammo lot that was hitting 1400 fps out of a 4" service revolver. A 115 grain 9mm that was doing 1250 out of a 4" will be down in the 1100s with a 3" auto. So, the .357 will still be more powerful, but by a somewhat lesser margin.

    The difference will really be found more in design. The shape of the small revolver makes it faster to draw from a pocket than the squarer auto pistol. In the dusty environment of an ankle holster, many small autos build up enough crud to make jams more likely within a few shots, but revolvers tolerate that better as a rule. Of course, the 3" 9mm auto will "kick" distinctly less and will carry more rounds and will be faster to reload.

    Hoping this is of help,

  3. hardeyes


    Jun 30, 2003
    Thank You Mas

    Take Care