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Thread: Winchester autocomp in 10mm

  1. #1
    Boolit Master 45r's Avatar
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    Dec 2006
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    788

    Winchester autocomp in 10mm

    Got some of this powder and not much data for 10mm use.
    Want to try it 10mm and 9mm.
    Any preferred loads out there.

  2. #2
    Boolit Master
    Join Date
    Mar 2005
    Location
    Indiana
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    805
    I tried the 7.0 gr load under a 200gr boolit I got off Hodgdons website and it gave me about 125 fps out of my 5 inch 1911. Burned clean and was accurate should make a decent hog load.
    See Some of My Holster Work Here:
    www.whitetigerleatherworks.com

  3. #3
    Boolit Buddy Vann's Avatar
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    Apr 2015
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    Mississippi
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    I bought a pound to try in my G17 and S&W 1006, but I haven't tried it yet. I'll be watching this thread intently.

  4. #4
    Boolit Master 45r's Avatar
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    Dec 2006
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    Shot some Powder Coated accurate mold 452220E FP boolits over 6.1 grains autocomp in my 45acp.
    45 dies were ready to go.
    they went inch and a quarter at 20 yards offhand.
    If 9mm and 10mm loads shoot like that I'm going to get more of this powder.
    I've read that it's Win factory powder.

  5. #5
    Boolit Mold Ruger45Bisley's Avatar
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    Dec 2012
    Location
    Kentucky
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    27
    I don't have much, but here's a little for the 10mm (Glock 20):

    180gr PD FMJ, 7.8gr AutoComp @ 1.250": 1,176 fps avg
    200gr Rainier RNFP, 7.0gr Auto Comp @ 1.250": 1,088 fps avg
    200gr Missouri Steeler, 7.0gr AutoComp @ 1.250": 1,147 fps avg

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check