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Need load data for Winchester 115-gr FMJ FB with Win-231, please.

Discussion in 'Handloading and Reloading' started by IMtheNRA, Feb 9, 2008.

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  1. IMtheNRA

    IMtheNRA Member

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    I just got a bunch of these Winchester 9mm, 115-gr FMJ Flat Base bullets and I'd like to use my Winchester-231 powder with them. Does anyone have load data for these bullets that they'd like to share? :)
     
  2. cdrt

    cdrt Member

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    My Lyman book has a load for 231 that starts at 3.5 grains min and maxes at 4.9 grains. OAL is 1.090 but that with a 115 grain jacketed HP Hornady bullet.
     
  3. Luggernut

    Luggernut Member

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    Ummm, cdrt those numbers seem very low.

    This is directly from the Hodgdon site for LEAD. This would be slightly low for FMJ .

    115 GR. LRN 115 231 .356" 1.100" 4.3 1079 28,400 CUP 4.8 1135 32,000 CUP
     
  4. cdrt

    cdrt Member

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    I double checked. That's what the book shows. It's in Lyman's #47 reloading manual. My Speer book shows 4.5 to 5.0 grains of 231 for their 115 TMJ flat base bullet. Go figure.
     
  5. paperpuncher49

    paperpuncher49 Member

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    I doubt that 3.5 would cycle the action reliably. It seems very low.
     
  6. Walkalong

    Walkalong Moderator

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    Winchester Data

    Like cdrt said: Speer #13 gives 4.5 to 5.0 Grs with a 115 Gr jacketed bullet for 1026 to 1133 FPS from a 4" barrel.
     
  7. The-Fly

    The-Fly Member

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    Based on my own personal experience, you could run it at 5.0gr without problems. Thats a near max load, so work your way up slowly of course. 4.8gr will give you a factory level performance, and is well under max. Keep your OAL under 1.150 (i use 1.125 myself) and you shouldnt have too many problems.

    Winchester shows a max of 5.1 with a jacketed round.
     
  8. IMtheNRA

    IMtheNRA Member

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    Thanks for all the info guys. I saw the data on their site, but they did not specify the bullet manufacturer, so I wanted to see if there is any Winchester-specific data. I'll start at the low end of that recipe. :)
     
  9. ArchAngelCD

    ArchAngelCD Member

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    I charge 4.4gr W231 under a 115gr LRN bullet.
    I charge 4.8gr W231 under a 115gr FMJ bullet.
    I charge 4.0gr W231 under a 124/125gr LRN bullet.
    I charge 4.4gr W231 under a 124/125gr FMJ bullet.
    Sorry, I haven't loaded a 147gr bullet for the 9mm.

    All the above rounds are on the light side for target practice. When I want something heavier I use Longshot or Power Pistol.

    Luggernut,
    Actually, for the 9mm, the charge of W231 is higher for a FMJ bullet than a Lead bullet. (the opposite of what you said)
     
  10. cdrt

    cdrt Member

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    I did some looking and found my copy of Winchester's Twelfth Reloading Components Catalog. They show for their 115 grain FMJ bullet a starting load of 4.4 grains of 231 with a velocity of 1045, 25,900 psi and a max of 4.9 grains, velocity 1135, 32,600 psi.

    Winchester used to give these books away at various gun stores, etc. This one is dated 1992.
     

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  11. Walkalong

    Walkalong Moderator

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    The 2006 Winchester handout load book just shows 5.1 W231 with a 115 SPR GDHP for 1167 FPS @ 28,1000 CUP O.A.L. of 1.125

    Interestingly enough, they show 4.8 with a 115 LRN for 1135 FPS @ 32,000 CUP O.A.L. of 1.100

    Same as the link above, but the link shows the start loads as well.
     
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