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Thread: Resizing 270 nickle plated brass

  1. #1
    Boolit Master
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    Resizing 270 nickle plated brass

    I was over at the range today and picked up a mixed bag of regular and nickle plated 270 bras. I don't shoot that caliber and usually resize it down to 30-06 or 7.7 Jap. Is there any reason I can't run the nickle plated 270 brass down to 7.7x58 for the Jap.?

  2. #2
    Boolit Master dkf's Avatar
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    I've made 30-06 out of .270 no problem. Never made the Jap brass though and don't know how much the brass has to be worked to do it. If you split some at least you got the brass for free.

  3. #3
    Boolit Master Rcmaveric's Avatar
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    Shouldn't be an issue. Just don't forget to anneal to relieve the stress off the metal and undue the work hardening.
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  4. #4
    Boolit Master
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    Going to give it a try, it would be unique to have nickle plated brass for a 7.7 Jap

  5. #5
    Boolit Master

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    Not sure how annealing will work with the plated brass. Some considerations are different expansion rates between brass and nickel. difference in the heat points of the 2 materials.
    For the amount your expanding I would try it as is on a few and fire them to see how they hold up. I have formed a couple wildcats with nickel plated brass with no real issues so yours should not be a problem. I did notice a slight increase in the force required to re form the nickel platted brass. One thing to do on the first few is watch close for cracks in the nickel after expanding. It is much harder than the brass and may not flow the same

  6. #6
    Boolit Master
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    I only picked up eight of the nickle platted 270 brass along with about fifty regular. Guess most of the 270 shooters around here don't reload.

  7. #7
    Boolit Master Hick's Avatar
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    I've resized nickel plated .270 to 30-06 with no issues. I haven't reloaded more than once on that stuff, so I don't know how long it will last-- but it can be done.
    Hick: Iron sights!

  8. #8
    Boolit Master Rcmaveric's Avatar
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    I have nickle plated brass i have been reloading for a while. It last. Its how i ID specific loads. I convert all the 30-06 and parent cartridges to .270 Win. Size it up or down, neck turn it and then anneal.
    "Speak softly and carry a big stick; you will go far."
    ~Theodore Roosevelt~

  9. #9
    Boolit Master
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    I annealed the 270 brass after trying to open up a neck to .312 for the jap and had the case split. I'm opening up the mouth of the case after annealing then trimming them and running the brass through a FL resize die. After that I'll do a final trim to size. The nickle platted brass is behaving just like the regular brass so far and I don't expect any problems with it. The neck wall thickness might be too thick but both of the rifles I'm planning to shot the brass in has some wear in the throat so it shouldn't be a problem.
    Last edited by Eddie2002; 06-18-2018 at 06:28 PM.

  10. #10
    Boolit Master

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    Measure the neck on a fired case outside dimension and compare to the loaded rounds neck dia. The throat isn't where the problem will be but in the neck portion of the chamber itself, if the case cant open to release the bullet then pressures rise quickly. Opening up the brass should make it thinner. If you have a ball mike you can measure the neck wall thickness with it.

  11. #11
    Boolit Master
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    Finally got all the brass trimmed down to 2.270 after annealing and opening up the neck. Ran two or three through the FL die just to see what happened and found that the brass grows by almost .030. It looks like I'll need to trim a second time which is what I expected but I didn't think the brass would grow by so much. The nickle plated brass is acting just like the regular so far.

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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