Yet another how to make 7.62 x 25 Tokarev brass.

Discussion in 'Handloading and Reloading' started by Twmaster, Jan 8, 2014.

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  1. Twmaster

    Twmaster Member

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    A couple of years ago I did a how-to for making 7.62 x 25 Tokarev brass from .223 Remington brass.

    That thread can be seen here: http://www.thehighroad.org/showthread.php?t=609366

    This time I'll make some Tokarev brass from 38 Special brass. According to Donnelly's "Handloaders Manual Of Cartridge Conversion" other than .223 REM brass you can use the .38 Special case as a parent.

    This requires a bit more machinery than most reloaders have but those of us with small lathes can do this quickly and easily.

    Take .38 Special brass. I used a twice fired Starline case. Cut to .990" long. Put in lathe and trim the rim diameter to .390" wide.

    38spl2tok2.jpg

    Next, lube the case and place it in your 7.62 x 25 sizing die and resize the case. Final trim to .988" long. Deburr etc like you would trimming any case.

    38spl2tok1.jpg

    Now you can load it just like any other brass in this caliber.

    38spl2tok3.jpg

    38spl2tok4.jpg

    I had one issue. My RCBS handheld 'Universal' primer tool would not hold the case for priming. I had to prime on my press.

    I loaded with 5.5 Gr of Red Dot and a Hornady 90 Grain .309" XTP.

    The round dropped right into the barrel from a CZ52.

    38spl2tok5.jpg

    For me compared to using .223 REM brass this was far easier and faster to make into Tokarev brass. Trimming is easy, there is no inside neck reaming and the brass is easier to form in the sizing die. With the collet chuck on my lathe trimming the rim is simplicity.

    Further the 38 brass fits better and does not swell like 223 does when fired as it's a better fit than the smaller diameter rifle brass.

    Hope this was useful.
     
    CarlosKupas likes this.
  2. plmitch

    plmitch Member

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    Nice work there.
     
  3. evan price

    evan price Member

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    Great way to recycle 357 and 38 brass with cracked necks.
     
  4. mstreddy

    mstreddy Member

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    Wow, nice work. Now, you've created another project idea for me to work on.
     
  5. chris in va

    chris in va Member

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    I'm confused. 38 Special is a rimmed case. I don't see how there's enough gap in the rim for the extractor to reliably grab.
     
  6. Lj1941

    Lj1941 Member

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    Why not just get new Starline brass and not worry about a lathe?
     
  7. Twmaster

    Twmaster Member

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    Do ya ever just do something for the fun of it? Do you ever just do something to learn new things?

    Anybody can just go buy things.

    @Chris in VA: There is a rebate at the junction of the case and rim. It's clearly visible in the photos.
     
  8. Lj1941

    Lj1941 Member

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    762x25 Load

    Did you chronograph the load with the 90 grain XTP & Red Dot powder? I use 6.4 grains of Power Pistol with the same bullet. I have also used Blue Dot but I like the PP better.This is with Starline brass.
     
  9. Duckdog

    Duckdog Member

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    With a Forster trimmer, and a Lee zip trim, it really only takes about 30 seconds to make a 223 brass into a 7.62x25. I cut it in the zip trim with a tube cutter, then run it through the sizing die, then into the trimmer, which has an inside neck reamer mounted to the trimmer shaft, so your reaming and trimming all in one shot, then back into the zip trim to use a lee champfer took and steel wool. Pretty fast.

    This also looks like a swell idea, but I can get more free 223 brass!
     
  10. Carl N. Brown

    Carl N. Brown Member

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    The opening poster describes using a lathe to trim the head of the case [strike]and cut an extractor groove[/strike] using cases with a rebate between body and rim.

    I read instructions years ago translated from the German about using .38 Special brass to make 7.63 Mauser cartridges by trimming the head, not cutting an extractor groove, and using the ammunition in a C96 Mauser with the extractor removed. The cases blowback and eject without an extractor. It does complicate extracting an unfired round.

    (I think with the 7.62x25 CZ52 you need the extractor to guide ejection of the casing.)
     
    Last edited: Jan 9, 2014
  11. Twmaster

    Twmaster Member

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    @Lj: I have used this load previously with this cartridge. I have not fired these loads yet. I'm hoping to on my next range trip. Thanks for the tip on that charge with Power Pistol. I also like that powder and use it frequently.

    @Duckdog: Yep, that sounds like a nice easy way to make Tokarev brass out of 223. I don't have either a Zip trimmer or the Forster trimmer. More than one way to skin a cat yes? :D

    @Carl: The rim and rebate appear to be more than enough for fully cycling. I've loaded and extracted the round a dozen times in my Yugo M57. Feed is smooth with no bullet setback and extraction is crisp with the round flying fairly far from the gun when racking the slide by hand.

    I hope to have a range report by the middle of next week.
     
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