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Thread: W 230 p powder

  1. #1
    Boolit Master lead chucker's Avatar
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    W 230 p powder

    I have a can of W 230 p can that be used in a 9mm? Looks like old powder.
    Dont pee down my back and tell me its raining.

  2. #2
    Boolit Master
    dragon813gt's Avatar
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    You're gonna need some old manuals. It was replaced by W231. The data is not interchangeable. And the internet rumors about why it was replaced by W231 are quite interesting.

  3. #3
    Boolit Master
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    I have a old Winchester manual at home, I'll try and remember to look when I get home.

  4. #4
    Boolit Master lead chucker's Avatar
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    I did a little research and looks like it was used in 45 acp. I have a lot of unique but it doesn't meter well in my rcbs powder dump when it get down around 3-4 grains. I want a good metering powder for my 9mm and was hoping ths 230p would work.
    Dont pee down my back and tell me its raining.

  5. #5
    Boolit Master
    swheeler's Avatar
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    Speer #8
    9mm -90 gr jacketed HP-win 230p-5.2 start 1344 fps, 5.6 max 1398 fps
    9mm- 125 gr speer soft point-win 230p-4.0 start 991fps, 5.0 max 1117 fps
    Hell, I was there!

  6. #6
    Boolit Master lead chucker's Avatar
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    Thanks swheeler I will try that.
    Dont pee down my back and tell me its raining.

  7. #7
    Boolit Master
    swheeler's Avatar
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    You are welcome. There is data for Win 230 in Hornady Vol II but don't know difference between 230 and 230P, from the data shown it looks like Win 230 is faster by a good bit, max load with 125 Horn HP is 3.8 grs
    Hell, I was there!

  8. #8
    Boolit Master
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    GONRA sez this MIGHT help. Only you will no:

    06/09/2016 Attempt to compare Winchester/Olin “standard pistol powder”.
    They seem to change per manufacturing site and other reasons.
    Always selling one “fast burning pistol powder”, just slight different.
    (May be useful in developing 231 handloads from ealier powder data.)

    November 1967 WINCHESTER–Western BALL POWDER 230P data:
    Caliber Bullet Powder Charge Velocity
    .32 Colt Auto 71 gn. FMC 2.0 grains 230P 855 ft./sec.
    .380 ACP 95 gn. FMC 3.0 grains 230P 955 ft./sec.
    9mm Luger 115 gn. FMC 4.5 grains 230P 1140 ft./sec.
    .45 Auto 230 gn. FMC 5.1 grains 230P 850 ft./sec.

    May 1973 WINCHESTER–Western BALL POWDER LOADING DATA 230 data:
    Caliber Bullet Powder Charge Velocity Pressure
    .32 Colt Auto 71 gn. FMC 2.2 grains 230 910 ft./sec. 15000 C.U.P.
    .380 ACP 95 gn. FMC 2.9 grains 230 905 ft./sec. 15000 C.U.P.
    9mm Luger 115 gn. FMC 4.5 grains 230 1060 ft./sec. 26500 C.U.P.
    .45 Auto 230 gn. FMC 4.9 grains 230 805 ft./sec. 16500 C.U.P.

    June 1975 WINCHESTER–Western BALL POWDER LOADING DATA 231 data:
    November 1976 WINCHESTER–Western BALL POWDER LOADING DATA 231 data:
    Caliber Bullet Powder Charge Velocity Pressure
    .32 Colt Auto 71 gn. FMC 2.5 grains 231 865 ft./sec. 14000 C.U.P.
    .380 ACP 95 gn. FMC 3.2 grains 231 860 ft./sec. 15000 C.U.P.
    9mm Luger 115 gn. FMC 5.1 grains 231 1125 ft./sec. 30500 C.U.P.
    .45 Auto 230 gn. FMC 5.6 grains 231 795 ft./sec. 17000 C.U.P.

  9. #9
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    That's an old, long discontinued and VERY FAST powder! Be very careful with it. And I can't remember, but it seems like it's one that when used in too large a charge, tends to increase pressures at a very fast rate. I'd start with loads listed for H. Clays if you don't have any old manuals for it, and let your chorongraph tell you when to stop - that, and estraction/ejection patterns. It can be used, yes, but with ANY really fast burning powder, a bit of extra caution would be indicated, IMO. Hodgdon's Clays level loads ought to be in the vicinity, and should keep you out of trouble with it.

  10. #10
    Boolit Master
    swheeler's Avatar
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    This.............
    230P Pistol propellant with 40 percent nitroglycerin introduced in 1960 and replaced by 230 in 1973 for handgun target loads.[1]
    231 reformulated 230 with 22.5 percent nitroglycerine and no deterrent coating so grain size and shape could be changed to minimize bridging in loading machines
    Hell, I was there!

  11. #11
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    I got 5 lbs. of 230P from an old reloader several years ago and it was excellent in .45ACP . Never loaded 9's though.

  12. #12
    Boolit Master lead chucker's Avatar
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    Thanks guys. I appreciate all the info. I will use it in my 45 acp. I just got four pounds of W231 last week and have been using it in my 9mm's with good results. Thanks again for going through all the antique load books for me.
    Dont pee down my back and tell me its raining.

  13. #13
    Boolit Master
    rintinglen's Avatar
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    Quote Originally Posted by lead chucker View Post
    Thanks guys. I appreciate all the info. I will use it in my 45 acp. I just got four pounds of W231 last week and have been using it in my 9mm's with good results. Thanks again for going through all the antique load books for me.
    Sigh, they were new when I bought them.
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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