38 Super +P
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Thread: 38 Super +P

  1. #1
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    38 Super +P

    1911.JPG1911top.JPG1911rollmarkleft.JPG1911rollmarkright.JPG1911bblbushing.JPGI have a used (new to me) blued 1911 with the "100 years of service" roll mark in excellent condition. I'm looking for loading data for 130 grain FMJ bullets from actual shooters of series 80 or newer 1911 38 Supers. I have Starline nickel plated 38 Super +p brass and 130 FMJ .355 bullets from Midway. So far I have chronographed three 130 grain FMJ loads as follows: 6.5/Alliant Power Pistol @1155 fps; 6.8/Alliant Power Pistol @1214 fps; Winchester factory (white box) @1200 fps. That 6.8 grain Power Pistol load is listed as max @1255 fps. Don't want to push this beautiful Colt too much. Thanking you in advance.
    Last edited by outboard; 04-30-2017 at 01:23 PM. Reason: add pics
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    Pics Man....PICS !!
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    Best performance so far for me has been based on accuracy not speed:

    Hornady 124 Gr. JHP Bullet with WSP Primer and 6.3 Grs of Winchester Auto-Comp. Group size: 10 rounds, .766 inches at 15 yards.
    and
    Remington 130 gr. JRN Bullet with WSP Primer and 5.6 Grs. of Winchester Auto-Comp. Group size: 10 rounds, 1.15 inches at 10 yards.

    A lot of other test but these proved to be the most accurate.

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    I use the Montana Gold .38 Super 130 MC bullet usually with either Herco or WSF.
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    My suggestion would be 7.0 gn of VV3N37. Its listed between 6.6 and 7.3gn at 1310 for the top load. It flows well through measures and is clean.

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    Since the .38 Super was designed for high pressure from the start, and the gun is all steel, you may safely load it to still-healthy pressure levels without fear. Consider getting a recoil spring calibration pack from Wolff. Easily swapped, they allow you to increase spring rate in accord with the loads you shoot. As long as function is 100%, they are better than the self-destructing polymer frame buffers that some use.
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    I shoot Corbon 125 grain JHP with an advertised velocity of 1350 fps. I have no idea what power they use. I have not detected any signs of over pressure.

    The SAAMI maximum pressure for .38 Super is 38,500. The SAAMI maximum pressure for 9 x 23 is 50,000. Well what is the difference? The 9 x 23 brass was designed specifically for high pressure .355 caliber loads in a non-ramped barrel in a joint undertaking of Colt and Winchester.

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    Hello outboard, just came across your thread and thought I'd comment since I've reloaded the Super in a variety of pistols over a good many years. The Super's claim to fame is velocity. I tend to use slower powders,especially AA-7,AA-9,etc, to load the Super to, at least near, it's potential. My current Colt Super, a Special Combat Government, bottom pistol in the photo I attached, is similar to yours. Even though the Colt utilizes an unramped barrel, it has at least decent case head support and has digested handloads with 124 grain bullets at 1430+ fps, 147 grain at 1270+ fps without issue. Within my humble experience, 130 grain bullets can be loaded using 124/125 grain data from reloading manuals. Chronographed velocities will be very similar, and no issues have arisen in my guns. Anyway, enjoy your Super. It is a caliber with endless handloading potential.STI,KIMBER,COLT Supers (8).JPG
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