ADvertise hereInline FabricationMidSouth Shooters SupplyTitan Reloading
RotoMetals2Lee PrecisionRepackbox

Donate Now Goal amount for this year: 6000 USD, Received: 6135 USD (102%)
OUR GOAL HAS BEEN MET!
Our Annual server fund drive is going on now! This donation drive helps fund Cast Boolits for an entire year, and helps support our 2nd amendment rights! You can donate by Paypal by clicking the DONATE button. Or by Cash / Check / MO to the address below:

Willy Snyder
PO Box 2732
Pocatello, ID 83206
****Due to overwhelming e-mails, I will be very slow in updating this list. Please bear with me!****


Results 1 to 7 of 7

Thread: Forming 8mm Nambu

  1. #1
    Boolit Master DonMountain's Avatar
    Join Date
    Nov 2011
    Location
    Mid-Missouri
    Posts
    978

    Forming 8mm Nambu

    Has anybody formed cases successfully for an 8mm Nambu? If you have can you give me some ideas? A friend of mine showed me a very nice Nambu pistol his grandfather got overseas before world war two. It is in very nice unworn condition. He said that his grandfather had ammo for it also and they fired it a few times back around 1960. After receiving it, he hasn't seen any ammo for sale for it, and now reloads for a hobby.

  2. #2
    Boolit Buddy
    Join Date
    Jun 2013
    Location
    Lynn Ma
    Posts
    394
    Just looked and PPU makes ammo for the Nambu. Graf's has it

  3. #3
    Boolit Master

    Hamish's Avatar
    Join Date
    Jan 2011
    Location
    Edge of The Crab Orchard National Wildlife Refuge
    Posts
    3,316
    .357 Sig or .40 S&W brass. Length is almost correct, will need made very slightly smaller with a push through die which would be much easier than this method:

    https://youtu.be/oi5s6xHrojk

    Contemplating doing an 8mm Nambu single shot rifle myself.
    More "This is what happened when I,,,,," and less "What would happen if I,,,,"

    Last of the original Group Buy Honcho's.

    "Dueling should have never been made illegal in this country. It settled lots of issues between folks."- Char-Gar

  4. #4
    Boolit Master
    Join Date
    Jan 2016
    Posts
    500
    Decades ago, before Midway and FC 8mm Nambu brass, GONRA made it from .41 LONG COLT.
    When you do stuff like this, brass selection is based on HEAD DIAMETER.
    Perfect match in this case....

  5. #5
    Boolit Master DonMountain's Avatar
    Join Date
    Nov 2011
    Location
    Mid-Missouri
    Posts
    978
    I just checked the cost of dies for the 8mm Nambu and found the cheapest set for about $190. It looks like this one is a non-shooter due to the extremely high cost of reloading for it. I guess the pistol is just a wall-hanger then. Too bad since it is in very good shooting condition with all of its bluing still on the gun.

  6. #6
    Boolit Master

    Join Date
    Mar 2011
    Location
    oklahoma
    Posts
    1,599
    Looks like $125.52 at CH4D. Still more than I'd want to pay, but I'd hate to have a wall hanger pistol just due to a lack of ammo.

  7. #7
    Boolit Bub
    Join Date
    Jun 2009
    Posts
    31
    When I was shooting 8mm Nambu I would use 357 Sig cases. I would first run then up into a 30-30 sizing die far enough to size the rim and head to the proper diameter and then knock them out with a hammer and punch. Run those through the Nambu sizer and then trim.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
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