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Thread: What brass can I resize to 6.5 Jap

  1. #21
    Boolit Mold
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    Rechambering my arisaka to 6.5x55 had crossed my mind. I read about a 6.5 257 rechambering for type 38s done when the 6.5 jap ammo was not around.

  2. #22
    Boolit Buddy
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    Just buy the PPU brass and be done. Everything else is just a big pain in the butt. I was having a hell of a time w/ a T38 carbine I had a while back. Nothing I tried worked in reference to brass. Then the discovery was made…. Someone (probably the Chinese) rechambered and rebarreled it 7.62x39.

  3. #23
    Boolit Master



    skeettx's Avatar
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    compare to the 220 Swift necked up to 6.5 and fire formed

    BUT get these

    https://www.grafs.com/retail/catalog...ategoryId/700?
    NRA Benefactor 2004 USAF RET 1971-95

  4. #24
    Boolit Grand Master Harter66's Avatar
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    The fly in the ointment if you will is the grooves .
    If I had the tool to "freshen up" the bore ala' Pope and I cut just .015 out all the way around I could get by with .277 dia bullets and not have to "fix" the throat to make it happen , otherwise they would make a dandy 260 Rem .
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  5. #25
    Boolit Buddy
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    Will a .260 reamer effectively clean up a 6.5x50 chamber?

  6. #26
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    Texas by God's Avatar
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    Yes, it should. It's close to the 6.5- 308 mentioned earlier. I recut the shoulder on mine so I could use .250 Savage brass fireformed up. Mine wouldn't shoot that well so I had a gunsmith re- thread a Shaw 8x57mm and fit it. I did the action modifications. Commercial ammo will fit in the magazine but milsurp ammo is single shot only. A neighbor traded me out of that rifle; I should get it back sometime......Sorry for the drift!

    Sent from my SM-A716U using Tapatalk

  7. #27
    Boolit Buddy
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    I have a T96 LMG, and eat up a lot of hand loaded 6.5x50sr Japanese.
    I have a swager die that converts 308 brass (commercial brass works a lot better than military brass) to 6.5x50sr brass, with a very nice semi-rim.
    This is a push in die, all the way to the top surface of the rim, then push the brass out via a rod down through the neck.
    Once formed it is just trim and load.

  8. #28
    Boolit Grand Master


    Larry Gibson's Avatar
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    Quote Originally Posted by jason280 View Post
    Will a .260 reamer effectively clean up a 6.5x50 chamber?
    You might try feeding some 260 cases from a fully loaded magazine first. They did not feed well from the magazine of my jap rifle. However, a 308W case formed in a 6.5x55 FL die [the decap pin removed and case lube and tapped in to form the case then tapped out with a rod ala a Lee wack-a-molie die] fed much better because of the tapered case as it will fit into the taper of the magazine better. First shorten a 6.5x55 FL die so a 308W case is formed down with the neck at 6.5x55 length. The formed case is same case capacity as the 260 rem or 6.5-308 so that load data can be used. Use the formed case to headspace on the shoulder cleaning up (basically finish reaming) with a 6.5x55 Swede finish reamer. Easy to do with no real case forming as such other than FL sizing the cases and maybe a final trim to length. Just FL size 308W cases in the shortened FL 6.5x55 die. I also shortened a NS die and a Seater the same amount. The bore on my Bubba'd jap is really pretty poor and it was shortened to 22". Using 7.62 LC 73 cases I push a 129 gr Hornady SP at 2670 fps with less than 2 moa accuracy.

    A 266455 cast of COWW + 2% tin left "as cast" at .268 with the GC just crimped on and lubed (2500+) in a .268 H&I die loaded over 10 gr of Unique runs 1460 fps with the same less than 2 moa accuracy at 100 yards. Given the condition of the oversized bore (for .264 bullets) I've not even uniformed the neck thickness. I have annealed the neck/shoulder area after several firings with jacketed bullets loads though.

    Here, left to right, are the 6.5 on the 308W case with a 266455 as described, a 6.5 jap Norma cartridge and a 6.5x55 cartridge with a 129 gr Hornady SP.

    Click image for larger version. 

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    My Bubba'd Jap rifle

    Click image for larger version. 

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    Last edited by Larry Gibson; 04-03-2022 at 05:55 PM.
    Larry Gibson

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  9. #29
    Boolit Bub nightwolf1974's Avatar
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    308 Winchester...
    wear your scars with pride, a scarless man hasn't felt the hardship of life......

  10. #30
    Boolit Buddy iron brigade's Avatar
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    Just made a bunch using 6.5 creedmoor brass. After running into the FL die you have to chuck the brass in a drill and file off the belt. Work great

  11. #31
    Boolit Master


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    Quote Originally Posted by FickleThings View Post
    What is the advantage of using 35 rem brass over the ppu jap brass?
    NONE I would buy brass when available rather than convert another hard to come by brass

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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